Java Learning First step: Win7 Configuring the JDK environment

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Download jdk and install to this machine, attached: JDK download

First step : Right-click on the desktop My Computer properties, tap "Advanced system Settings"

Step two : In the System properties, locate the environment variable (open by default)

Step three : then click on the environment variable

Fourth Step : Click New, the variable name is java_home, the variable value is the JDK installation path, I installed on the D disk

environment variable value is: D:\program files (x64) \java\jdk1.7.0_55 attached: JDK installation directory path (without bin directory)

Fifth Step : Then edit path, add at the top of the value of the variable;%java_home%\bin, and make sure attached: Notice the semicolon (in English state) separated

Sixth Step : detect if the installation is successful

Ctrl+r input cmd Enter

Seventh Step : Enter Javac carriage return appears

The installation fails, please check your fifth step or the directory is correct

The following indicates a successful configuration

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Java Learning First step: Win7 Configuring the JDK environment