This guide is Chapter 4 of the Java Course. It was originally published with full installation on SRF Developer.
You have installed the JDK (Chapter 3). Now, you need a tool to write your code.
This is the most common question I get from beginners: "Should I use IntelliJ, Eclipse, or VS Code?"
Here is my honest breakdown for 2025.
1. IntelliJ IDEA (The Gold Standard) ๐
If you are serious about getting hired as a Java Developer, use IntelliJ.
- Pros: It basically writes the code for you. The auto-complete and debugging tools are unmatched.
- Cons: It can be "heavy" (uses a lot of RAM).
- Verdict: Highly Recommended for this course.
2. VS Code (The Lightweight Choice) โก
- Pros: Fast, looks great, and you probably already use it for Web Development.
- Cons: It requires a lot of plugins (Extension Pack for Java) to work properly. It is not a full "IDE" out of the box.
- Verdict: Great if you have a slower laptop.
3. Eclipse (The Old School) ๐๏ธ
- Pros: Open source and used in many legacy corporate environments.
- Cons: The interface looks outdated (like Windows 95) compared to modern tools.
- Verdict: Only use this if your college professor forces you to.
๐ฅ How to Install & Setup?
Setting up these tools (especially the Environment Variables) can be tricky.
I have created a step-by-step visual guide that shows:
- How to download the Free Community Edition of IntelliJ.
- How to configure the Java Extension Pack in VS Code.
- How to write your first
Main.javafile without errors.
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