Install the Java SE Development Kit from http://java.sun.com/javase/downloads/index.jsp.
Once installed, you should find an archive called src.zip in the top of the JDK installation directory. The Java source code is in there.
The file is java/util/LinkedList.java.
update: You may also like to visit the online OpenJDK Source repository. See this answer below.
Answer from Bill Karwin on Stack OverflowInstall the Java SE Development Kit from http://java.sun.com/javase/downloads/index.jsp.
Once installed, you should find an archive called src.zip in the top of the JDK installation directory. The Java source code is in there.
The file is java/util/LinkedList.java.
update: You may also like to visit the online OpenJDK Source repository. See this answer below.
You have the source in the docjar:
LinkedList.java (from the openjdk-7)