Configuring Java Environment variables under windows

After the JDK has been successfully installed, the test is actually successfully installed,

Click "Start"----"Run"----Enter CMD, enter "Java-version" at the command prompt and press ENTER.

Prompt for Java version information, the installation is successful, and then the configuration environment variable.

My Computer--Properties--Advanced system settings--advanced--environment variables

Select New System Variable--pops up the new System Variable dialog box, enter "Java_home" in the Variable Name text box, enter the installation path of the JDK in the Variable Value text box, click the OK button,

There will be this interface under WIN10.

Click Edit Text

View the path variable in the system variables options area, or create a new variable path if it does not exist, or select the variable.

Click the Edit button to add "%java_home%\bin;%java_home%\jre\bin;" At the beginning of the Variable Value text box.

or direct "%java_home%\bin;", click the OK button.

View the CLASSPATH variable in the system Variables options area, or create a new variable classpath if it does not exist.

Otherwise, select the variable, click the Edit button, and in the start position of the Variable Value text box, add.; %java_home%\lib\dt.jar;%java_home%\lib\tools.jar;".

Remember not to miss out on the last ";" Symbol.

The configuration of the test environment variable is now successful or not. Enter "JAVAC" in the DOS command line window and the output Help information is configured correctly

Configuring Java Environment variables under windows