WIN7 x64 environment variable configuration under Java 8

1. Oracle website download JDK for installation: I downloaded Java 8 jdk, address: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
2. Open the installation package and complete the installation
3. Configure environment variables: Computer Right--Properties--Advanced system settings-environment variables

operate at the system variable :

(1) NEW: JAVA_HOME C:\Program Files\Java\jdk1.8.0_144
(2) NEW: JRE_HOME C:\Program Files\Java\jdk1.8.0_144\jre
(3) NEW: CLASSPATH .;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar ,注意前面的点：.
(4) Add in Path : %JAVA_HOME%\bin%和JRE_HOME%\bin: 在最前面添加如下：%JAVA_HOME%\bin;%JRE_HOME%\bin;

4. Use the CMD name to open the DOS window, enter Java or Javac or java-version Enter the display can be.

WIN7 x64 environment variable configuration under Java 8