java directory and classpath

述 Directory structure description 结 JDK

BIN compiler and tools

Demo Demonstration

Docs HTML format class library document

Include files used to compile local methods

Java operating environment

LIB class library files

      src 　　 Class library source file

Now you can understand the settings of path and classpath

Variable name: JAVA_HOME

Variable value: C:Program FilesJavajdk1.7.0

Variable name: CLASSPATH

Variable value: .;%JAVA_H OME% libdt.jar;%JAVA_HOME%libtools.jar;
Variable name: PATH
Variable value: %JAVA_HOME%bin;%JAVA_HOME%jrebin;