Configuring environment Variables for Java

Java is a programming language developed by Sun to apply to a distributed network environment, and the Java language has cross-platform features, and its compiled programs can run on a variety of operating system platforms, enabling the "write once, run everywhere" powerful feature.

2. To successfully configure Java environment variables, it is necessary to install the JDK in order to start the configuration.

4. Install the JDK Wizard to set the relevant parameters.

6. Installing the relevant features of the program,

8. Select the path of the installation, either custom or default path.

10. After the successful installation, the test is really successful installation, click "Start"----"Run"----input CMD, enter "Java-version" at the command prompt and press ENTER to appear, that is, the installation is successful.

12. Start configuring environment variables, right-click My Computer---properties-----advanced---environment variables,

14. 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 (that is, the folder path of step 5), click the "OK" button,

16. View the path variable in the system variables options area, if it does not exist, create a new variable path, otherwise select the variable, click the Edit button, and 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,

18. View the CLASSPATH variable in the system Variables options area, and if it does not exist, create a new variable classpath, otherwise select the variable, click the Edit button, and add "in the start position of the Variable Value text box."; %java_home%\lib\dt.jar;%java_home%\lib\tools.jar; ".

20. 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 environment Variables for Java