Java TutorialLesson 3Free preview

Java Get Started

This lesson is part of Java · All levels

Summary

This lesson will guide you from scratch: installing JDK, writing the first program, compiling with javac, running it with java. You also learn to use an integrated development environment (IDE) like NetBeans or Eclipse to make the code writing process more convenient. The bottom line is, the three main steps are writing, compiling, running.

Key points

Install the JDK first, then set the PATH environment variable so that the javac and java commands are recognized.
Workflow: write code in the file .java, compile with javac, run with java
The class name on the file must be exactly the same as the file name, including the capital letters
IDE like NetBeans, Eclipse, or IntelliJ makes compilation and debugging easier.

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