Java的内置库实现 [英] Java's built-in libraries implementation

问题描述

有没有人碰巧知道在哪里，我可以看一下Java内置库的代码？

Does anyone happen to know where, if at all possible, I can take a look at the code of the java's built-in libraries?

我已经尝试过 Ctrl + Shift + B （这是Netbeans与Eclipse的<$ c $等效c> Ctrl + Shift T ）转到源，但我只能看到方法标题，并且正文始终为：

I've tried Ctrl + Shift + B (which is the Netbeans' equivalence of Eclipse's Ctrl + Shift T) to "go to source", but I can only see the method header, and the body is always:

//compiled code
throw new RuntimeException("Compiled Code");

例如，如果我尝试查看String.charAt（int）

For instance, I'd see the following if I tried to view String.charAt(int)

public char charAt(int i)
{
    //compiled code
    throw new RuntimeException("Compiled Code");
}

推荐答案

内置库源代码可用于jdk。例如，在Windows框上，jdk文件夹将包含src.zip，其中包含内置库的源

built-in libraries source code is available with jdk. For example on a windows box the jdk folder would contain src.zip which contain the sources for the built-in libraries

希望这会有所帮助。

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