The last: 013 – the JVM – the JVM, the JRE and JDK relationship https://blog.csdn.net/fsjwin/article/details/111407190 we wrote a HelloWorld. Java, Then compile a helloWorld.class file using javac. What are the contents of these similar class files? Here are the answers:

1. Class file structure overview

Note: try to look at the original image, as it may be optimized, and the screenshots may not be updated!

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2. To summarize

This brain map is a general overview of the files contained in the class, so be sure to go through it first, get a sense of it, and then use it as a dictionary when looking at the binary or hexadecimal source of the class file.

Next article: 015 – the JVM – use javap view class file content to https://blog.csdn.net/fsjwin/article/details/111426985