查看java源代码 [英] view java source code

问题描述

有没有办法查看Java中默认类背后的实际代码（ java.awt。*; ， javax.swing。*; 等）看完全发生了什么？

Is any way to view the actual code behind the default classes in Java (java.awt.*;, javax.swing.*;, etc) to see exactly what it is that is happening?

我的意思不仅仅是文档，或方法列表等，但源代码本身详细（换句话说，如果复制并粘贴到Java程序的代码中，可用于创建整个方法/类的精确副本） 。

I don't mean just the documentation, or a list of methods, etc, but the source code itself in full detail (in other words, what could be used to create an exact copy of an entire method/class if copied and pasted into the code for a program in Java).

推荐答案

所有API类的Java源代码都在JDK安装程序中附带一个名为 src.zip 。它通常只是坐在您的安装目录中。解压缩，然后看看。

The Java source code for all the API classes is shipped in the JDK installer in a file named src.zip. It's often just sitting in your install directory. Unzip it, and have a look.

如果它不存在，你可能选择不安装它;重新安装JDK并注意源代码选项，确保包含它。

If it's not there, you may have chosen not to install it; reinstall the JDK and watch for the "source code" option, making sure to include it.

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