How do I create a .class file in Java?

In the Project window, right-click a Java file or folder, and select New > Java Class . Alternatively, select a Java file or folder in the Project window, or click in a Java file in the Code Editor. Then select File > New > Java Class. The item you select determines the default package for the new class or type.

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What is in a Java class file?

What’s in a class file? The Java class file contains everything a JVM needs to know about one Java class or interface . In their order of appearance in the class file, the major components are: magic, version, constant pool, access flags, this class, super class, interfaces, fields, methods, and attributes.

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