Below is a description of how to view the JDK source code in NetBeans and Eclipse environments:
Netbeans:
In the "tool->java platform-> Source" to add the next path, if you install the JDK when you choose to install the source code, the JDK directory will have a src.zip file, add this file can be.
Select the appropriate code, CTRL + the left mouse button. into the source environment.
Eclipse:
1. Point "Window", "Preferences", "Java", "Installed JREs"
2. The right side of "Installed JREs" is the list pane, listing the JRE environment in the system, selecting your JRE, and then clicking "Edit ..." on the edge, a window will appear (edit JRE)
3. Select this entry for the Rt.jar file: "C:\Program Files\java\jre_1.5.0_06\lib\rt.jar"
Point to the left of the "+" sign to expand it,
4. After expanding, you can see "source Attachment: (None)", point this item, point to the right button "Source Attachment ...", select "Src.zip" file under your JDK directory
5. "OK", end.
6. Select the appropriate code, click the F3 key to enter the source environment.
Use NetBeans, eclipse to read JDK source code