# BlueJ Reviews **Vendor:** BlueJ **Category:** [Java Integrated Development Environments (IDE)](https://www.g2.com/categories/java-integrated-development-environments-ide) **Average Rating:** 4.0/5.0 **Total Reviews:** 203 ## About BlueJ BlueJ is a free, integrated development environment (IDE) tailored for beginners learning Java programming. Developed by the University of Kent and Deakin University, it emphasizes teaching object-oriented programming principles through a user-friendly interface. BlueJ's design includes a graphical representation of class structures, allowing users to visualize and interact with objects directly, facilitating a deeper understanding of object-oriented concepts. Key Features and Functionality: - Simplified Interface: BlueJ offers a clean and straightforward interface, reducing the complexity often found in professional IDEs, making it accessible for novices. - Interactive Object Creation and Testing: Users can create and test objects interactively, enabling immediate feedback and experimentation without the need for extensive code. - Graphical Class Structure Visualization: The IDE displays class structures in a UML-like diagram, aiding in the comprehension of class relationships and hierarchies. - Cross-Platform Compatibility: BlueJ is compatible with various operating systems, including Windows, macOS, and Linux, ensuring broad accessibility. - Educational Resources: It provides extensive teaching materials, including the textbook "Objects First with Java," co-authored by BlueJ's developers, and the Blueroom website, offering resources and community engagement for educators. Primary Value and Problem Solving: BlueJ addresses the challenges beginners face when learning Java by offering an environment that simplifies the development process and emphasizes object-oriented programming concepts. Its interactive and visual approach helps users grasp complex ideas more intuitively, bridging the gap between theoretical learning and practical application. By focusing on educational needs, BlueJ serves as an effective tool for both self-learners and academic institutions aiming to provide a solid foundation in Java programming. ## BlueJ Pros & Cons **What users like:** - Users appreciate the **ease of use** in BlueJ, facilitating a smooth learning experience for Java and OOP concepts. (10 reviews) - Users praise the **simple and clean interface** of BlueJ, facilitating a great learning experience for beginners. (8 reviews) - Users appreciate the **simple and easy-to-use UI** of BlueJ, making it ideal for learning Java programming. (5 reviews) - Users value the **Java support** in BlueJ for its simplicity and effectiveness in teaching OOP concepts to beginners. (4 reviews) - Users admire the **lightweight design** of BlueJ, allowing it to run smoothly on older PCs for effective learning. (4 reviews) - Features (2 reviews) - Users value the **compilation efficiency** of BlueJ, facilitating quicker learning and smoother programming for beginners. (1 reviews) - Users appreciate the **convenience** of BlueJ, as it simplifies learning and interacting with Java objects effortlessly. (1 reviews) - Customer Support (1 reviews) - Performance Efficiency (1 reviews) **What users dislike:** - Users find BlueJ's **limited features** inadequate for advanced programming, lacking essential tools for professional use. (6 reviews) - Users find **limited plugin support** in BlueJ frustrating as they advance, preferring more robust IDEs like Eclipse or IntelliJ. (4 reviews) - Users find BlueJ lacking in **advanced debugging tools** , making it less suitable for larger or real-world projects. (3 reviews) - Users find BlueJ's **limited customization** and lack of advanced features inadequate for larger, professional development projects. (3 reviews) - Users find **slow loading times** frustrating, affecting their coding experience and limiting productivity while using BlueJ. (2 reviews) - Users find the **code quality lacking** in BlueJ, especially for more advanced projects and larger applications. (1 reviews) - Users notice **compatibility issues** when handling larger projects, leading to frustration with BlueJ's limited feature set. (1 reviews) - Complex Setup (1 reviews) - Users experience **deployment issues** with BlueJ, finding it inadequate for larger projects and lacking in essential features. (1 reviews) - Users find **extension issues** prevalent in BlueJ, limiting its usability for more advanced projects and integrations. (1 reviews) ## BlueJ Reviews ### 1. One of the Best Java IDEs for Beginners—Great Visuals for Learning OOP **Rating:** 5.0/5.0 stars **Reviewed by:** Tashvik S. | Software Engineer 1, Small-Business (50 or fewer emp.) **Reviewed Date:** April 28, 2026 **What do you like best about BlueJ?** It is one of the best Java IDEs for beginners. The icon-like representations for classes and objects are great, and they really help in understanding OOP concepts in Java. It can be used for basic Java programming and development, which makes it useful from beginner to advanced levels. The pricing is optimal and performance is at par with other IDEs like netbeans. **What do you dislike about BlueJ?** One dislike about blueJ is that if I begin with BlueJ, it is fine but if I am someone who has been working on IDEs like VSCode or IntelliJ, after some time , I would feel a bit off because I would be habitual of the interface. I feel that is a place where BlueJ can transform into a more pro coder like IDE without losing the basic UI features that will make it stand out **What problems is BlueJ solving and how is that benefiting you?** Java was my first language that I learnt and I learnt it on blueJ. The concept of Class, Object, Inheritance was neatly understandable via UI. Also the Extensions API of BlueJ helped me explore more into the field of computer science wherein I build some extensions that could be integrated into BlueJ and in made me evolve into a better developer ### 2. BlueJ: Simple Interface That Helps Juniors Build Solid Java Project Structure **Rating:** 4.0/5.0 stars **Reviewed by:** Ramon M. | CTO, Information Technology and Services, Small-Business (50 or fewer emp.) **Reviewed Date:** February 04, 2026 **What do you like best about BlueJ?** Having interacted with different IDEs (both paid and free software), one that offers us considerable benefits when starting a project from scratch is the BlueJ environment, in which the developer(s) are starting with developments in the JAVA language, basically because of the simplicity of the interface and the possibility of orchestrating good practices in terms of how the overall structure of the project to be executed will be shaped. **What do you dislike about BlueJ?** For the objective we are pursuing with the use and implementation of this free development platform supported by Oracle, it definitely meets the basic requirements needed by the development TEAM when it is made up of junior professionals. It may be that the debugging capabilities are not as extensive as those of other commercial IDEs, but ultimately, for the features we require, there is nothing that we completely dislike. **What problems is BlueJ solving and how is that benefiting you?** The possibility of installing the same IDE on the main operating systems we use (iOS, Windows, and Linux) is more than just a problem that can sometimes arise with some of the other options on the market, especially when we are accustomed to having virtualized operating systems where we can install IDEs with great ease and simplicity. This ease benefits us in terms of the initial setup of a project or proof of concept. ### 3. Simple, Lightweight UI That Makes OOP Concepts Easy to Visualize **Rating:** 4.5/5.0 stars **Reviewed by:** Sourav C. | Information Systems Security - Masters Student, Small-Business (50 or fewer emp.) **Reviewed Date:** February 02, 2026 **What do you like best about BlueJ?** BlueJ has a very simple, easy-to-use UI. It’s one of the simplest Java editors I’ve used and it makes key things easy to see, like OOPS concepts and the arrow relationships between classes. It’s also very lightweight, and it runs well even on very old PCs. We can create objects and call methods without writing a full main which helps a lot. I am using if since school days and still love it. **What do you dislike about BlueJ?** It's too simple and does not have advanced features which other IDE offers. Co-Pilot integration, AI code completions etc. which competitors offers are not present here. For complex projects or code, it makes things complicated and difficult to manage. Plugins support is limited as compared to others. **What problems is BlueJ solving and how is that benefiting you?** The UI is very simple and user-friendly. The visualizations help a lot with understanding and BlueJ has an edge there. The error logs are better and more detailed compared to others. It also runs on older PCs and is very easy to set up, for example set up time and the other complexities are much less. ### 4. Simple Java Editor That Makes Learning OOP Easy **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Small-Business (50 or fewer emp.) **Reviewed Date:** March 31, 2026 **What do you like best about BlueJ?** This is a very simple editor for beginners who are learning Java. It’s a great help for students as well as teachers, and it makes it easier to teach and understand object-oriented language concepts. **What do you dislike about BlueJ?** This tool isn’t really meant for experts. If you’re used to fully integrated IDEs like Eclipse, you may find it a bit difficult to use at first. **What problems is BlueJ solving and how is that benefiting you?** I used this editor to teach Java to my teenage daughter, and it worked really well for us. She found it very helpful for understanding Java syntax and getting a clearer grasp of the core concepts. ### 5. Beginner-Friendly IDE That Made Learning Java Easy **Rating:** 5.0/5.0 stars **Reviewed by:** Md. Haaris H. | Ai Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** April 17, 2026 **What do you like best about BlueJ?** I like how beginner-friendly this IDE is for learning Java. We were introduced to it in school when we were kids, and it really helped me grasp Java concepts while using it. **What do you dislike about BlueJ?** If I have any dislikes, it’s the somewhat primitive interface compared to more modern ones. It has an older look and feel to it, but aside from that, it’s completely fine. **What problems is BlueJ solving and how is that benefiting you?** It helps remove the initial barriers to learning Java for a newbie. By doing that, it makes it easier for more people to get their hands on a language that can feel intimidating, especially for those who struggle to understand it at first. ### 6. BlueJ Makes Learning Java OOP Intuitive with Clear Diagrams and Interactive Testing **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** April 02, 2026 **What do you like best about BlueJ?** The class diagram view makes object-oriented concepts—like classes, objects, and relationships—much easier to understand. I also like that you can create objects and call methods interactively without having to write a full program, which is great for learning and experimenting. The interface is clean and minimal, so the focus stays on Java concepts instead of overwhelming beginners with advanced IDE features. Error messages are generally clearer and more educational as well, which helps learners understand what went wrong and how to fix it. Overall, BlueJ makes learning object-oriented programming in Java feel more intuitive and less intimidating, especially for students and beginners. **What do you dislike about BlueJ?** Not suitable for larger or professional projects – BlueJ lacks many advanced features (refactoring tools, plugins, build automation, version‑control integration) that developers expect in full‑fledged IDEs like IntelliJ IDEA or Eclipse. Overall, BlueJ is excellent for learning Java and OOP concepts, but its simplicity becomes a drawback once you want to build real‑world or production‑level applications. **What problems is BlueJ solving and how is that benefiting you?** Beginners often struggle to understand how classes and objects actually work in Java. Having to write a full main method just to test a single concept adds unnecessary complexity for learners. On top of that, professional IDEs can feel too feature-heavy and end up distracting from the core OOP ideas. With this tool, I can create objects visually and call methods directly, which makes it much easier to see how objects behave at runtime. I’m also able to test individual methods instantly without boilerplate code, and that speeds up the learning process. The class diagram view is especially helpful because it lets me understand relationships between classes—methods, fields, and inheritance—at a glance. Overall, it helps me focus on OOP logic and design instead of getting stuck on setup, syntax, or IDE configuration. ### 7. Great for beginners, but too limited for production. **Rating:** 4.5/5.0 stars **Reviewed by:** Edwin V. | Desarrollador de Software, Computer Software, Small-Business (50 or fewer emp.) **Reviewed Date:** January 27, 2026 **What do you like best about BlueJ?** The simplicity and the 'Object Bench' feature. Removes the clutter of complex IDEs and lets you focus strictly on how objects and classes interact with each other in real-time. **What do you dislike about BlueJ?** Maybe it's not suitable for real-world development. As soon as a project grows, the lack of dependency management (like Maven) and advanced debugging tools makes it difficult to work with. **What problems is BlueJ solving and how is that benefiting you?** Lowers the barrier to entry for understanding Java. It solves the problem of visualizing abstract concepts like object state and inheritance. This benefits me by allowing me to prototype small ideas quickly or demonstrate concepts to others without the overhead of configuring a complex environment. ### 8. Ideal Java IDE for Beginners with Excellent Support **Rating:** 4.0/5.0 stars **Reviewed by:** Abhik S. | Software Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** December 09, 2025 **What do you like best about BlueJ?** BlueJ is perfect for beginners who don't have much knowledge on Java or OOP, The interface and the support available in BlueJ really helped me to master the OOP concepts and helped me to get started in my journey fo Java Programming. It is perect for students, as it as easy to use clean and it is more inclined towards ease of usage for beginners. **What do you dislike about BlueJ?** Coming to the bad side of BlueJ, Once you have crossed the beginner stage you will realize that there are other IDEs like Eclipse, IntelliJ which have better plugins, debugging and code optimzations, which BlueJ is not so good at. It is not that much recommended to be used if you are a professional. **What problems is BlueJ solving and how is that benefiting you?** Well definitely it helps you to get started on learning JAVA and OOPs concepts and it has a very clean and easy to use environment, and debugging really helps you learn OOP conepts in much depth. ### 9. Beginner-Friendly Visual Diagrams, but Limited for Larger Projects **Rating:** 3.5/5.0 stars **Reviewed by:** Amit C. | Project Associates, Small-Business (50 or fewer emp.) **Reviewed Date:** March 18, 2026 **What do you like best about BlueJ?** Beginner friendly. Visual class diagram makes it easier to understand how classes relate to each other and being able to create objects and call methods interactively helps us see what our code is doing without a lot of setup. **What do you dislike about BlueJ?** It can feel limiting once you move past the basics. Its great for learning bjt for larger projects the tooling isnt as strong. **What problems is BlueJ solving and how is that benefiting you?** It solves java feeling overwhelming when we are first learning it. Instead of jumping straight into a big complex ide setup it gives us a simple env where we can focus on the basics of classes objs and methods ### 10. Beginner-Friendly Java Learning Tool with Intuitive Features **Rating:** 4.5/5.0 stars **Reviewed by:** Rushi A. | Software Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** December 10, 2025 **What do you like best about BlueJ?** I find BlueJ really useful for learning and teaching Java programming because it simplifies the learning process with its simple interface and visual class diagram. I like the interactive object bench which acts like a hands-on playground for Java objects—it lets me create objects and invoke methods directly without setting up complex code structures. This makes experimentation easy and provides immediate feedback. BlueJ also reduces setup complexity with a lightweight installation and automatic JDK detection, creating a ready-to-use environment. **What do you dislike about BlueJ?** It's designed for beginners, so it lacks some advanced tools found in professional IDEs like IntelliJ or Eclipse. **What problems is BlueJ solving and how is that benefiting you?** I use BlueJ to simplify learning Java with its simple interface and visual class diagrams. It encourages experimentation, reduces setup complexity, and offers immediate feedback through its interactive object bench. ### 11. Great for Learning Java, but Limited for Advanced Use **Rating:** 4.0/5.0 stars **Reviewed by:** Pradeep R. | Software Developer, Computer Software, Small-Business (50 or fewer emp.) **Reviewed Date:** November 01, 2025 **What do you like best about BlueJ?** What I like best about BlueJ is its simplicity and how easy it makes learning Java concepts. The visual class diagrams and interactive object creation really help me understand object-oriented programming better. It’s perfect for beginners. **What do you dislike about BlueJ?** What I dislike about BlueJ is that it feels limited once you move beyond basic projects. It lacks advanced features like code completion, debugging tools, and framework support found in professional IDEs. It’s great for learning, but not ideal for larger or real-world applications. **What problems is BlueJ solving and how is that benefiting you?** BlueJ helps simplify learning Java by visualizing classes, objects, and their interactions. It removes the complexity of professional IDEs, letting me focus on understanding object-oriented programming concepts. ### 12. Great for Learning Basic Java Coding **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer Software | Enterprise (> 1000 emp.) **Reviewed Date:** May 01, 2026 **What do you like best about BlueJ?** It is very good for learning basic java coding environment **What do you dislike about BlueJ?** Dislikes will be related to its approach which is very short in nature **What problems is BlueJ solving and how is that benefiting you?** It is solving different mathematical problems and making the programs to run faster ### 13. Great for Student Learning, outdated UI **Rating:** 2.5/5.0 stars **Reviewed by:** Verified User in Computer Software | Small-Business (50 or fewer emp.) **Reviewed Date:** April 29, 2026 **What do you like best about BlueJ?** easy to use, great for student learning. integrates well with mac and other os. good supporting documentation for learning the tool. **What do you dislike about BlueJ?** outdated UI and performance is slow. missing AI functionality **What problems is BlueJ solving and how is that benefiting you?** learning java and oop. good integrations with other tools ### 14. Very Simple and nice Java Tool for Beginners **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Primary/Secondary Education | Small-Business (50 or fewer emp.) **Reviewed Date:** April 28, 2026 **What do you like best about BlueJ?** It is very simple to use for anyone starting with java **What do you dislike about BlueJ?** It is not suitable for realtime project. Difficult to manage and refractor projects **What problems is BlueJ solving and how is that benefiting you?** It helps a lot while learning Java and practicing. ### 15. User-Friendly and Fast, Perfect for Study Purposes **Rating:** 5.0/5.0 stars **Reviewed by:** Sukanya N. | PowerBI developer , Small-Business (50 or fewer emp.) **Reviewed Date:** January 06, 2026 **What do you like best about BlueJ?** I used for study purposes. Its very user Friendly Fast execution of code Enable best features of user input at runtime **What do you dislike about BlueJ?** Sometime its stuck in between execution of critical logical code and take too much refresh time **What problems is BlueJ solving and how is that benefiting you?** Execution of Java code fast and correct output ### 16. Great Java Autocorrect and Smart Suggestions **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Small-Business (50 or fewer emp.) **Reviewed Date:** May 01, 2026 **What do you like best about BlueJ?** good support of autocorrect and suggestions around java **What do you dislike about BlueJ?** takes up a lot of RAM while working on it **What problems is BlueJ solving and how is that benefiting you?** helping me code and develop in java ### 17. Easy to Use with Great Syntax Highlighting **Rating:** 3.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Mid-Market (51-1000 emp.) **Reviewed Date:** April 07, 2026 **What do you like best about BlueJ?** syntax highlighting. easy of use. great product **What do you dislike about BlueJ?** not enough functionality. could have more features. **What problems is BlueJ solving and how is that benefiting you?** it works as an IDE ### 18. Great for learning Java Basics **Rating:** 4.5/5.0 stars **Reviewed by:** Sisir C. | Software Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** October 06, 2025 **What do you like best about BlueJ?** It’s super simple and easy to use. Perfect for beginners and helps visualize classes and objects in a clear way. **What do you dislike about BlueJ?** Not very useful once projects get bigger. Missing modern features you’d find in other IDEs. **What problems is BlueJ solving and how is that benefiting you?** BlueJ makes it easier to understand Java and object-oriented programming concepts. The simple interface and class diagrams help me learn faster without getting lost in complex tools. ### 19. User-friendly, efficient and education IDE **Rating:** 4.0/5.0 stars **Reviewed by:** VINAY K. | Software engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** October 09, 2025 **What do you like best about BlueJ?** It's best feature is interactive visual interface. It's class diagram visualization helps developer to see clear structure. **What do you dislike about BlueJ?** The thing is, it is for beginners and rest is good. **What problems is BlueJ solving and how is that benefiting you?** I was using this to write test cases, experimenting with new logics or testing some new java features. ### 20. Simple and very educational interface, ideal for beginners **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Accounting | Mid-Market (51-1000 emp.) **Reviewed Date:** January 27, 2026 **What do you like best about BlueJ?** Simple interface to use for beginners. Very educational. **What do you dislike about BlueJ?** Limited use for more advanced professional use or complex projects. **What problems is BlueJ solving and how is that benefiting you?** Perfect for learning Java. ### 21. Good for learning Java, but not for serious coding **Rating:** 4.0/5.0 stars **Reviewed by:** Abhishek C. | Associate Software Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** January 30, 2025 **What do you like best about BlueJ?** The best thing about BlueJ is how easy it is to use, especially if you're just starting with Java. The interface is super simple and not overwhelming like some of the bigger IDEs. I also love how you can interact with objects directly, like creating instances and calling methods without needing to run a whole program. It really helps understand object-oriented programming better. Also, it’s lightweight and doesn’t need a super powerful computer to run, which is nice. **What do you dislike about BlueJ?** It’s great for beginners, but after a while, it starts feeling really limited. The number of features is pretty basic, and debugging tools aren’t great, so working on anything bigger can get frustrating. Also, integration with other tools is kinda lacking, and it doesn’t support bigger projects well. The UI feels a bit outdated too, and sometimes it lags if your project gets too big. It’s good for learning, but you’ll probably want to switch to IntelliJ or Eclipse once you get more comfortable with Java. **What problems is BlueJ solving and how is that benefiting you?** A lot of professional IDEs like IntelliJ or Eclipse have too many features, which can be confusing for beginners. BlueJ keeps it simple and focused, making it easy to understand how classes, objects, and methods work.For me, it really helped when I was just starting out with Java. The visual representation of objects and the ability to interact with them directly made learning a lot more intuitive. Instead of just writing code and hoping it works, I could actually see how objects were behaving in real time. That made concepts like inheritance, polymorphism, and encapsulation much easier to grasp. Of course, once I got more comfortable with Java, I needed a more powerful IDE, but for learning the basics, BlueJ was really helpful. ### 22. Great for Java beginners but lacks advanced features. Ideal for learning, not for big projects. **Rating:** 4.5/5.0 stars **Reviewed by:** Dibyajyoti P. | React Js Developer, Small-Business (50 or fewer emp.) **Reviewed Date:** January 30, 2025 **What do you like best about BlueJ?** The most helpful aspects of BlueJ are its simple interface, interactive object creation, and lightweight design. It allows beginners to visualize classes, test methods without a `main` method, and debug code easily. Ideal for learning OOP concepts efficiently. **What do you dislike about BlueJ?** BlueJ lacks advanced features like autocomplete, refactoring tools, and support for large projects. It's not ideal for professional development, and the basic editor can feel limited for experienced users. **What problems is BlueJ solving and how is that benefiting you?** BlueJ solves the problem of making Java programming accessible to beginners by providing an intuitive interface and interactive features. It helps me understand object-oriented programming concepts more clearly by allowing me to visualize classes and objects, test methods directly, and debug easily. This hands-on approach makes learning Java less intimidating and more engaging. ### 23. Excellent IDE for 1st year CD students w book Object J **Rating:** 5.0/5.0 stars **Reviewed by:** DY B. | Chief Executive Officer, Computer Software, Mid-Market (51-1000 emp.) **Reviewed Date:** April 28, 2025 **What do you like best about BlueJ?** Unit tests as first class objects and the companion ObjectJ book by Michael Koenig train beginning computer science students in proper design of modular testable programs **What do you dislike about BlueJ?** IT's not widespread in industry its a teaching environment **What problems is BlueJ solving and how is that benefiting you?** Excellent guided intor for beginner CS students used it w great sucess in tier one US SLAC for years https://www.bluej.org/objects-first/second-edition/index.html ### 24. Great tool for practicing Java & OOP **Rating:** 4.5/5.0 stars **Reviewed by:** Charan Manikanta N. | Lead, Small-Business (50 or fewer emp.) **Reviewed Date:** January 06, 2024 **What do you like best about BlueJ?** BlueJ's allowed me create instances of classes without having to write seperate code, for playing around with multiple classes. It also allows me easliy visualize the relationships between diffferent classes and interfaces. This helped me solidify my knowledge of Java with a lot of ease. **What do you dislike about BlueJ?** It wasn't easy for me to understand how to use BlueJ's interface when I was just getting started with it. Although it was really helpful to visualize, I wish at times we would've been able to switch to a project view similar to that on the IntelliJ IDEA. **What problems is BlueJ solving and how is that benefiting you?** BlueJ is offering a Java IDE that is letting me visualize the relationships between the parts of Java code I'm writing. As a student, it really helped me understand my code very well and it also allowed me to test individual parts of my code without having to write seperate code for creating instances. For me, BlueJ took out the things I didn't have to pay attention to as a learner and made my overall learning experience more fun. ### 25. BLUEJ best tool for visual learning and teaching **Rating:** 5.0/5.0 stars **Reviewed by:** Deepak o. | Software Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** September 29, 2023 **What do you like best about BlueJ?** visual tools makes bluej different from others.if someone is beginner and want to learn java he can use its visual tool to visualise objects and its interrelated connections which helps to make the learning smooth and fast also.it is platfrom independent you can run it on any machine mac, window or linux. it has integrated debugger to run the code line by line and fix the errors. its simply and beginner friendly if someone is in school or college he can learn through this tool. **What do you dislike about BlueJ?** i don't find anything as such to dislike it actually but its features are limited because it was made in terms of thinking of learning and teaching so can't be used for professional development. somtimes when the code becomes complex visual representations becomes more confusing which actually makes it worse sometimes large projects its not useful. **What problems is BlueJ solving and how is that benefiting you?** i used to teach java using BLUEJ so that students can understand through visual representations ### 26. Easeof learning how to code with BLUEJ **Rating:** 4.5/5.0 stars **Reviewed by:** Shwetank S. | Software Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** September 29, 2023 **What do you like best about BlueJ?** Best part is how it shows the visual representation of object and their interaction. in order to teach and make others understand this is the best tool for beginners and when i used to teach i used bluej to make the students understand with the help of visual representations. apart from visual representation debugger of bluej is quite impressive which makes you to debug and fix the code.it has large community support and good tool fulfill the needs of leaning and teaching.its beginner friendly a student can learn and understand concepts easily with the help of visual representations. **What do you dislike about BlueJ?** its not flexible for professional projects. its only useful for educational purposes.it can't stand against other tools in the market like intellij and eclipse. so limited features are there in BLUEJ. **What problems is BlueJ solving and how is that benefiting you?** i used to teach students java and with its visual representioin i was able to make them understand the concepts easily. BLUEJ helps in visualising the concepts clearly ### 27. Old User Interface but does the job **Rating:** 4.0/5.0 stars **Reviewed by:** Arshil K. | Software Development Engineer I, Enterprise (> 1000 emp.) **Reviewed Date:** July 25, 2024 **What do you like best about BlueJ?** Works fine, perfect to run java apps and java programs **What do you dislike about BlueJ?** The user interface is not that good, can be improved a lot **What problems is BlueJ solving and how is that benefiting you?** Coding java programs and apps, although the UI is kind of outdated now. ### 28. BlueJ Review **Rating:** 3.0/5.0 stars **Reviewed by:** Harshit S. | Programmer Analyst, Information Technology and Services, Enterprise (> 1000 emp.) **Reviewed Date:** July 20, 2023 **What do you like best about BlueJ?** BlueJ is the most Classic IDE for writing Java Codes. It's simple and sober User Interface is a thing to look for. The best IDE for beginners, who have just started coding in Java, instead of all those fascinating UI IDE's. It's debugging tool is still one of the best of all. **What do you dislike about BlueJ?** As the time is advancing, the business needs are also advancing, people want interactive UI, for them to get interest in coding and enjoy it, which Bluej cannot provide. Bluej has no code completion feature. Errors are not shown while writing the code, they are only shown when code is compiled. Colorful UI not present, different color codes for different words makes it easy for user to distinguish between reserved words, which is not available in Bluej. **What problems is BlueJ solving and how is that benefiting you?** It is really very useful for beginners, who trying to get their handson in Core Java and have just started with coding, as the UI is absolute basic and easy to understand and use as a first time code. After working in BlueJ for sometime, it will be very easy to switch to other complex IDEs such as Intellij and Eclipse for Java coding. ### 29. One of the best lightweight JAVA editor **Rating:** 5.0/5.0 stars **Reviewed by:** Abhinav M. | System Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** January 23, 2024 **What do you like best about BlueJ?** Its simple, very easy to run, can manually run unit tests, great for beginner. I used on a regular basis in my initial days. **What do you dislike about BlueJ?** It's not an IDE. It is not recommended for large code bases. **What problems is BlueJ solving and how is that benefiting you?** BlueJ is making easier to code in Java. It helps code for a small application visualizing the objects in realtime with an interactive debugger that helps understand bugs that the difficult to find. ### 30. Good java editor for novice users **Rating:** 5.0/5.0 stars **Reviewed by:** Neelam N. | Mid-Market (51-1000 emp.) **Reviewed Date:** September 26, 2023 **What do you like best about BlueJ?** It is easy to install and work with. Moreover, all the basic functionality is available which is very convenient to be used by students. They find it very easy to learn and write code in. We are using it almost daily in our computer lab where it is making learning Java very convenient. **What do you dislike about BlueJ?** The software is heavy, due to which it requires a good amount of disk space. Some old systems are unable to be used with this because they have less ROM available. Otherwise, overall it is a good tool. **What problems is BlueJ solving and how is that benefiting you?** Everybody finds it easy to code Java programs in BlueJ IDE. Due to this, hands-on learning of coding is improved. Debugging the code and fixing the errors is also made very easy in this software. ### 31. Good Java IDE, but not the best **Rating:** 3.5/5.0 stars **Reviewed by:** Sidhant S. | Enterprise (> 1000 emp.) **Reviewed Date:** September 27, 2023 **What do you like best about BlueJ?** It is a decent Java IDE software, and has all the features. It is easy to use and also very easy to learn. Has very straightforward implementation process. **What do you dislike about BlueJ?** There are other tools like eclipse and intellij that are far more advanced than BlueJ in terms of number of features that are provided. They have many useful features like auto-suggestion and other plug-ins that I think BlueJ needs to catch up on. **What problems is BlueJ solving and how is that benefiting you?** It has helped with Java development quite conveniently. The ROI generated was also quite quick. As it was easy-to-use, a lot of users were able to ramp up pretty quickly. ### 32. Good tool for beginners **Rating:** 4.0/5.0 stars **Reviewed by:** Navoneel J. | Member, Mid-Market (51-1000 emp.) **Reviewed Date:** January 17, 2024 **What do you like best about BlueJ?** It's simple interface that helps a beginner Java coder to write and complie code. **What do you dislike about BlueJ?** It's has less features as compared to other IDEs like from JetBrain. **What problems is BlueJ solving and how is that benefiting you?** It helped in my initial days to write and complie code .And GUI was better to code than the CLI. ### 33. BlueJ Review: A Beginner-Friendly Java IDE with Strong Educational Value **Rating:** 3.5/5.0 stars **Reviewed by:** Shivam C. | Software Intern, Small-Business (50 or fewer emp.) **Reviewed Date:** May 22, 2023 **What do you like best about BlueJ?** Beginner-Friendly Interface: BlueJ's interface is specifically designed for beginners, making it easy to understand and navigate. Its visual representation of classes and objects aids in comprehending object-oriented programming concepts. Educational Focus: BlueJ's emphasis on education sets it apart. It offers various tools and tutorials that promote hands-on learning and help beginners grasp programming principles effectively. Supportive Community: BlueJ has an active community of teachers, students, and developers who provide support, resources, and engage in discussions. The community aspect enhances the learning experience and fosters collaboration. **What do you dislike about BlueJ?** Limited Functionality: BlueJ may lack some advanced features and capabilities that more experienced developers might require. It focuses primarily on providing a solid foundation for beginners, which means it may not be suitable for complex or large-scale projects. Steep Learning Curve for Transitioning: While BlueJ is beginner-friendly, transitioning to other more comprehensive IDEs might require additional effort and adjustment. BlueJ's simplicity might create a learning curve for users who want to explore more advanced tools and environments. **What problems is BlueJ solving and how is that benefiting you?** BlueJ solves several problems and provides benefits for its users, especially beginners learning Java programming. Here are the key problems it addresses and the corresponding benefits: Simplifying Java Programming: BlueJ addresses the complexity often associated with Java programming by providing a user-friendly interface. It simplifies the learning process for beginners, helping them overcome initial barriers and understand the core concepts of object-oriented programming. ### 34. Bluej makes program compilation easy and effective **Rating:** 5.0/5.0 stars **Reviewed by:** Dibyashree r. | Clinical Data Associate II , Mid-Market (51-1000 emp.) **Reviewed Date:** November 17, 2023 **What do you like best about BlueJ?** Bluej is very beneficial platform which helps me to compile and run java programs easily and there are lot of functions available for programming execution **What do you dislike about BlueJ?** There is nothing to deslike about Bluej as it is the best **What problems is BlueJ solving and how is that benefiting you?** Bluej helps me to write compile and run all java programs needed for the it development of my organisation ### 35. The Easy-to-Use for Beginners **Rating:** 3.5/5.0 stars **Reviewed by:** chris g. | Enterprise (> 1000 emp.) **Reviewed Date:** November 21, 2023 **What do you like best about BlueJ?** It is very conventional for beginners in Java and Entity Relationship Diagrams. **What do you dislike about BlueJ?** Simple interface could be furhter improved. **What problems is BlueJ solving and how is that benefiting you?** Its simplicity does not overcomplicate JAVA. ### 36. Easy to use IDE **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer Software | Enterprise (> 1000 emp.) **Reviewed Date:** December 07, 2023 **What do you like best about BlueJ?** The simplicity to use it and the ease with which concepts of inheritance can be depicted as to how classes are jnterlinked with each other. **What do you dislike about BlueJ?** The limitation of features that IDEs like intelliJ provides **What problems is BlueJ solving and how is that benefiting you?** Its making coding very easy with features like highlighting syntax errors which comes out to be of great help. ### 37. BlueJ: An old fashioned IDE for Java **Rating:** 3.5/5.0 stars **Reviewed by:** Aniket D. | Web Developer, Small-Business (50 or fewer emp.) **Reviewed Date:** May 14, 2023 **What do you like best about BlueJ?** I like the minimalistic interface of BlueJ. Even many better IDEs are sometimes difficult to use but BlueJ is very simple and user friendly. As compared to other IDEs it lacks some basic features but its debugging tools are still very nice. **What do you dislike about BlueJ?** BlueJ lacks many features that most other IDEs in the market have such as it has no code completion, its appearance cannot be customized and also it cannot be used to make large projects, it can only be used to write beginner friendly code. **What problems is BlueJ solving and how is that benefiting you?** It is helpful for beginners, so users who are getting started with Java can use it to get a good grasp on Java before switching to more advanced Java IDEs. ### 38. BlueJ is a user friendly Java IDE **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** September 09, 2023 **What do you like best about BlueJ?** The thing which I loved most about BlueJ is the fact that it is very simple to use and comes with an integrated debugger. The fact that BlurJ is an open source software is a cherry on the cake. **What do you dislike about BlueJ?** BlueJ does not have an extensive plugin ecosystem like Visual Studio Code. Also, BlueJ is not a good choice for development of extensive projects as it is an education focused software. **What problems is BlueJ solving and how is that benefiting you?** BlueJ simplifies teaching and learning Java by enhancing understanding through visualization and interactivity while providing access to a supportive community and educational resources. ### 39. BlueJ : Description **Rating:** 4.0/5.0 stars **Reviewed by:** Udit P. | IT Trainee, Mid-Market (51-1000 emp.) **Reviewed Date:** December 15, 2022 **What do you like best about BlueJ?** BlueJ is a Java development environment that allows you to write, run, and debug Java programs. It has a number of features that make it easy to use, including buttons that allow you to compile and run your code with just one click. BlueJ also includes a built-in editor and provides opportunities for refactoring your code. **What do you dislike about BlueJ?** It does not have the ability to run on other platforms and is also not very powerful. Overall, BlueJ is a great tool for teaching Java but it has some drawbacks. **What problems is BlueJ solving and how is that benefiting you?** -An editor for writing Java code -A compiler for checking your code -A virtual machine for running your code It has a number of features that make it easy to use, including buttons that allow you to compile and run your code with just one click. ### 40. Blue J is a nice and simple JAVA IDE for learning java as a beginner **Rating:** 3.0/5.0 stars **Reviewed by:** Divyansh K. | Small-Business (50 or fewer emp.) **Reviewed Date:** February 14, 2023 **What do you like best about BlueJ?** One of the good thing about BlueJ is its ability to interactively see the execution of code, making it an excellent tool for debugging. It also helps understanding how Java programs work. **What do you dislike about BlueJ?** It may not be as robust or feature-rich as other IDEs, and it may not be suitable for more advanced programming projects. Its a beginner-friendly tool and cant be used for big projects **What problems is BlueJ solving and how is that benefiting you?** BlueJ solves several problems related to learning in the early days. It provides a simplified interface to understand Java programming concepts and syntax. Debugging is easy in BlueJ and a good place to learn how debugging works ### 41. Best tool for academic purposes and beginners trying to learn Java **Rating:** 5.0/5.0 stars **Reviewed by:** AKSHAY A. | Senior Software Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** October 18, 2022 **What do you like best about BlueJ?** I used it in my school and college days to learn the basics of programming. It then had a very easy-to-understand UI, with limited functionalities like a Java editor that catches syntax errors on the go and options to compile and run the code. It did not support any opportunity to add plugins then. It's an open-source tool, free and lightweight, that can be easily downloaded from the internet. I believe this is the best application to start learning coding in our school days. **What do you dislike about BlueJ?** It has limited functionalities compared to other editors, which provide multiple language support, plugins, versioning support etc. It can be used only for the beginner level. Handling enterprise-level projects are challenging with BlueJ **What problems is BlueJ solving and how is that benefiting you?** It is a great tool to start learning Coding because it does not have the complexities of other editors. This can be installed on any low-specification PC or laptop and will work like a charm as it is very lightweight. ### 42. Great for running small scale projects **Rating:** 3.5/5.0 stars **Reviewed by:** Raul G. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 05, 2023 **What do you like best about BlueJ?** The simplified UI helped me to run small scale programs and see the output **What do you dislike about BlueJ?** There should be more features and the UI looks too simple **What problems is BlueJ solving and how is that benefiting you?** Running simple programs in JAVA and seeing the output in real time ### 43. Most loved IDE in schooldays, review after 3+ years of experience **Rating:** 4.0/5.0 stars **Reviewed by:** Rishab D. | Senior Executive, Small-Business (50 or fewer emp.) **Reviewed Date:** May 17, 2022 **What do you like best about BlueJ?** Ideal tool for learning Java at a beginner level Made for development on a small scale, BlueJ is a technology that is free to use, with an interactive and user-friendly interface The Java development environment is integrated, making it a good fit for teaching, learning, beginner-level programming, and the invocation of an object and interactive creation. Also, it's free to use, designed for teaching has a dedicated portal of teaching resources, a code pad and runs on multiple platforms **What do you dislike about BlueJ?** It looks quite a basic tool for development purposes after gaining some experience although we must keep in mind that it's made for learning purposes and hence provides easy to use intuitive features Also, it doesn't support plugins which may be a boost for beginner-friendly development purposes, Also the UI though greatly improved over the years must be given a fresh new look **Recommendations to others considering BlueJ:** Blue J will turn out to be your best friend of childhood when you start to learn to code!! **What problems is BlueJ solving and how is that benefiting you?** During school days the simplicity and intuitive experience with Blue J can never be forgotten, It turns out to be one of the fastest IDE for coding purposes I learned to code from scratch using this software, the Autosuggestion/Autocompletion features were quite useful Overall I see Blue J as the foundation for software development in JAVA from basic to an advanced stage in a students life ### 44. Best tool to learn or implement Java projects for all professionals **Rating:** 5.0/5.0 stars **Reviewed by:** Gajendra K. | General Manager, Enterprise (> 1000 emp.) **Reviewed Date:** May 29, 2022 **What do you like best about BlueJ?** I used this tool when I started learning java in my college days and since then I am completely relying on it because of its simplicity and being easily approachable as it's an open-source tool. I had implemented several projects based on java programming and guided newcomers, everyone enjoyed this tool. We can download it from the web and implement projects without any front cost. **What do you dislike about BlueJ?** I didn't face any challenges while using it and everyone in my team also enjoyed using it but sometimes it can be irritating to use the same interface over a longer period so few associates moved to another IDE. Also, sometimes we can see the updates are not upto date which results in the complexity of the development of web applications. **Recommendations to others considering BlueJ:** You should consider this IDE if you are a beginner, you will get to know how good this IDE is! **What problems is BlueJ solving and how is that benefiting you?** We can implement all sorts of java programming applications using it and I used this for web development. It is very good to use this IDE if you are a beginner because of the easy infrastructure it provides. ### 45. Best IDE Platform and a boon for this era **Rating:** 5.0/5.0 stars **Reviewed by:** Parthiv V. | Quality Analyst, Enterprise (> 1000 emp.) **Reviewed Date:** September 12, 2022 **What do you like best about BlueJ?** Despite being simple, the software has several functions. The nice thing of BlueJ is it built on UML diagrams, we can simply find the class. For beginners, this UML feature makes it easier to understand the code. **What do you dislike about BlueJ?** I have no dislikes for BlueJ in their functionalities but face one difficulty in the UI side. Because it differs from Eclipse, I wouldn't say I enjoy this IDE's user interface. **What problems is BlueJ solving and how is that benefiting you?** Generally, I develop Java code using Eclipse, but occasionally I can't understand the code. I chose BlueJ as the UML portion makes the entire code simple to grasp. ### 46. BLUEJ EASE **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Education Management | Mid-Market (51-1000 emp.) **Reviewed Date:** July 25, 2022 **What do you like best about BlueJ?** The key advantages of BlueJ are its portability, compact size, and straightforward user interface. BlueJ offers a straightforward interface that is user-friendly for those who are new to technology and was created to assist with teaching Java programming to beginners. In comparison to other IDE applications, it is not as intimidating. **What do you dislike about BlueJ?** Java is the only language it supports. It is a straightforward piece of software designed for beginners, but due to its simplicity, it cannot be applied to more intricate and substantial Java projects. **What problems is BlueJ solving and how is that benefiting you?** First-year students can learn the Java programming language with the aid of BlueJ's user-friendly teaching environment before moving on to a professional IDE (NetBeans). The highly dynamic BlueJ integrated development environment promotes experimentation and discovery. ### 47. BlueJ It's an Excellent Tool to Learn Java Programming. It's easy to get started and helps a lot. **Rating:** 5.0/5.0 stars **Reviewed by:** Ivan V. | Founder, Small-Business (50 or fewer emp.) **Reviewed Date:** March 25, 2022 **What do you like best about BlueJ?** It's easy to use and helps a lot with the learning process. It's a very good tool to get started with Java Programming and get on the right track quite fast compared with other tools. **What do you dislike about BlueJ?** After you're an advanced developer, this tools seems to be quite basic, but having in mind this is a tool to get started from scratch, it's a very good tool to use. **Recommendations to others considering BlueJ:** Remember this is a tool to help us to get started with Java Programming, so after we get some advanced knowledge, it could feel too basic for us to be our main development tool. **What problems is BlueJ solving and how is that benefiting you?** The main problem BlueJ helps to solve is to get over the feeling of not being smart enough to learn Java programming. BlueJ helps us to avoid feeling overwhelming about programming. ### 48. BlueJ : The Best tool for learning practices in Java **Rating:** 5.0/5.0 stars **Reviewed by:** Arjun R. | Associate Software Developer, Small-Business (50 or fewer emp.) **Reviewed Date:** May 19, 2022 **What do you like best about BlueJ?** This was one of the first tools I used for learning Java. Easier to set up and simpler UI made it simple to learn Java in an efficient and easy way. Graphically representing inheritance properties and other features will help you grasp/understand the concepts more quickly. It is best for creating applets. The size of the IDE is very less compared to its competitors. **What do you dislike about BlueJ?** Industry-wise coding is missing from this. Handling complex projects with Bluej is challenging. It does not meet the business needs of a project as compared to IntelliJ. **Recommendations to others considering BlueJ:** If you are a beginner trying to learn java, Blue J is the first choice. Nowadays it is also included in School Curriculum, which makes it easy for school students to start learning. **What problems is BlueJ solving and how is that benefiting you?** I started java coding using BlueJ. It is a very beginner-friendly platform. All my college-level java projects have been created using BlueJ. It is great for creating prototypes. And the code can easily be transferred to other platforms. ### 49. Bluej is best for beginners **Rating:** 3.0/5.0 stars **Reviewed by:** Rahul L. | Software Engineer, Mid-Market (51-1000 emp.) **Reviewed Date:** December 26, 2022 **What do you like best about BlueJ?** Bluej is good development tool for beginners **What do you dislike about BlueJ?** Bluej interface is little bit complex and not for the javaEE projects **What problems is BlueJ solving and how is that benefiting you?** Bluej is good for beginner with fresh looking ui ### 50. User experience and the most useful factor to use BlueJ **Rating:** 4.5/5.0 stars **Reviewed by:** Rakesh C. | Software engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** August 11, 2022 **What do you like best about BlueJ?** It runs on multiple platforms, simple and clean user interface that makes everything easy for tech newcomers . **What do you dislike about BlueJ?** With comparison with other IDE like eclipse or intellij, it has less features and complier is little bit slow and when a programmer is quite experience in java it finds that other ide can do the work much faster and smoothly because of lots of features. **What problems is BlueJ solving and how is that benefiting you?** BlueJ should includes more features like auto suggestions, autocompletion, importing, instant access to the java documentation, formatting, code refracting, project management integrated debuggers and much more. All these features can enhance the software quality. ## BlueJ Discussions - [Which of the following best describes BlueJ?](https://www.g2.com/discussions/which-of-the-following-best-describes-bluej) - 1 comment, 1 upvote - [It's been years since BlueJ has seen a UI overhaul, can we expect that in near future ?](https://www.g2.com/discussions/it-s-been-years-since-bluej-has-seen-a-ui-overhaul-can-we-expect-that-in-near-future) - 1 comment, 1 upvote - [What is BlueJ used for?](https://www.g2.com/discussions/what-is-bluej-used-for) - 2 comments - [What version of Java does BlueJ use?](https://www.g2.com/discussions/what-version-of-java-does-bluej-use) - 2 comments - [Is BlueJ a software?](https://www.g2.com/discussions/is-bluej-a-software) - 1 comment - [View BlueJ pricing details and edition comparison](https://www.g2.com/products/bluej/reviews?qs=pros-and-cons§ion=pricing&secure%5Bexpires_at%5D=2026-05-13+11%3A50%3A14+-0500&secure%5Bsession_id%5D=968aafbe-8d56-4c69-b783-92703e6796bb&secure%5Btoken%5D=461546ce41d1329ab393ececacf605245bc872b46f3adae5e715b2e4d2953a88&format=llm_user) ## Top BlueJ Alternatives - [Eclipse](https://www.g2.com/products/eclipse/reviews) - 4.3/5.0 (3,072 reviews) - [IntelliJ IDEA](https://www.g2.com/products/intellij-idea/reviews) - 4.6/5.0 (2,289 reviews) - [NetBeans](https://www.g2.com/products/netbeans/reviews) - 4.2/5.0 (655 reviews)