Appendix C. Getting Started with IDEA

This appendix demonstrates how to build and execute the “Hello World” application using IntelliJ IDEA. Before you attempt to use a sophisticated IDE such as IDEA, you should first learn how to do command-line compilation, execution, and testing of Java code. Learning these fundamentals will ensure that you can use Java on any platform you encounter.


IDEA is a Java IDE built by a Czech company called JetBrains. IDEA has been one of the driving forces behind Java-specific intelligent features in an IDE. Many of the valuable features sported by other Java IDEs appeared first in IDEA. IDEA is also an open tool, meaning that third-party vendors and individual developers can enhance its capabilities by writing ...

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