I'm diving into backend development with Spring Boot and know that Java is essential for this. However, I'm a bit puzzled by the variety of Java versions out there—like Java 8, 11, 17, and the latest one which is Java 25. I've heard that many companies tend to stick to older versions in production environments, which makes it hard to decide which version I should focus on learning. What would be the best Java version to start with if I want to land a job using Spring Boot?
3 Answers
If you have experience with another programming language, just dive into the latest Java version. Focus on mastering the fundamentals first: 1. Primitives and data types, 2. Flow control statements like if-else and loops, 3. Data structures such as arrays and lists, 4. Exception handling, and finally 5. OOP concepts like classes and encapsulation. After that, you can tackle more advanced topics like memory management and concurrency before jumping into Spring Boot.
You should go with the latest version. Even if you don’t use all the new features right away, by the time you're ready to apply for jobs, the environments will likely have been updated. Just avoid turning on any experimental features and you'll be fine.
Java 17 is pretty commonly used, but most recent versions are similar enough that it shouldn't matter too much. The key is learning the fundamentals; those are what you'll need regardless of the version.
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