How to configure the Java runtime environment

The steps to configure the Java running environment include downloading the JDK, installing the JDK, configuring environment variables, and checking whether the environment is successfully installed. Detailed introduction: 1. Download JDK: Download the JDK installation package corresponding to your operating system from Oracle's official website. For example, if the operating system is Windows 64-bit, download the x64 version of JDK; 2. Install JDK: According to the installation package Tip, complete the installation of JDK; 3. Configure environment variables: In order for the system to find the installation path of JDK, environment variables need to be configured, etc.

To configure the Java runtime environment, you can follow the steps below:

1. Download JDK: Download it from the Oracle official website with your The JDK installation package corresponding to the operating system. For example, if your operating system is Windows 64-bit, download the x64 version of the JDK.
2. Install JDK: Complete the installation of JDK according to the prompts of the installation package.
3. Configure environment variables: In order for the system to find the JDK installation path, environment variables need to be configured. Right-click My Computer, select Properties, select Advanced System Settings, and then select Environment Variables. Create 2 new properties in "System Variables": JAVA_HOME and CLASSPATH. Variable name: JAVA_HOME, variable value: C:\Program Files\Java\jdkX.X.X (the specific path needs to be filled in according to the actual situation). Variable name: CLASSPATH, variable value: .;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar; (note that there is a "." in front). Select the environment variable named "Path" in "System Variables", double-click the variable, add the absolute path of the bin directory in the JDK installation path to the value of the Path variable, and use a half-width semicolon and the existing path To separate.
4. Check whether the environment is installed successfully: type cmd in the start bar, open the command prompt and type java and javac to check whether the installation is successful.

After completing the above steps, you have completed the configuration of the Java runtime environment.

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