How to configure the java environment

1. Right-click My Computer--Properties, click Advanced System Settings---Environment Variables. In the system variables, create a new system variable named "JAVA_HOME". The variable value is the installation path of jdk. For example, my installation is in C:\Program Files\Java\jdk1.7.0_80

2. Find the system variable Path and add ;%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin; after the original variable value;

Note: If Finally, it already exists; no need to add

3. Then create a new variable name: classpath

Variable value: .;%JAVA_HOME%\lib;%JAVA_HOME% \lib\tools.jar click OK

Recommended tutorial: Java tutorial

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