How to install java

Installation steps: 1. Download JDK; 2. Install JDK; 3. Verify installation; 4. Set environment variables. Detailed introduction: 1. Download JDK: Go to Oracle official website or OpenJDK official website. Select the latest version of JDK suitable for the operating system to download; 2. Install JDK: Open the downloaded installation file and install it according to the instructions of the installation wizard; 3. Verify the installation: Open the command line and enter the "java -version" command to check whether Java is successful. Installation. If the installation is successful, the Java version and so on will be displayed

Operating system for this tutorial: Windows 10 system, Dell G3 computer.

Installing Java is relatively simple. The following are the basic steps to install Java:

Step 1: Download Java Development Kit (JDK)

Go to the Oracle official website or the OpenJDK official website.

Choose the latest version of JDK suitable for your operating system to download.

Step 2: Install JDK

Open the downloaded installation file.

Follow the instructions of the installation wizard to install. Usually you just need to follow the default settings to complete the installation.

During the installation process, you may be asked whether you want to set environment variables, make sure to select this option. The setting of environment variables allows the system to find the installation path of Java, allowing you to use Java commands on the command line.

Step 3: Verify installation

Open the command line (cmd on Windows, Terminal on Mac and Linux).

Enter the following command to check whether Java is successfully installed:

java -version

If the installation is successful, the installed Java version information will be displayed.

Step 4: Set environment variables (if not set during installation)

On Windows, open "Control Panel" -> "System and Security" - > "System" -> "Advanced System Settings" -> "Environment Variables".

Under the "System Variables" area, find the "Path" variable and click Edit.

Add the Java installation path at the end of the variable value, such as C:\Program Files\Java\jdk1.8.0_201\bin.

On Mac or Linux, you can edit the .bash_profile or .bashrc file to set environment variables and add the Java installation path to the PATH variable.

After completing these steps, you have successfully installed Java!

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