2024年12月23日 · Open Command Prompt, type java -version, then press Enter. This will print out the current version of Java that you're running, as well as the build number.

You can determine which version of the JDK is the default by typing java -version in a Terminal window. If the installed version is 7u55, you will see a string that includes the text 1.7.0_55. For example: java -version java version "1.7.0_55" Java(TM) SE …

2020年10月29日 · Open CMD and search java -version. First, we have to an environment variable to the installed path location of the java folder. Otherwise, it will show invalid command. It is called ‘Terminal’ in the case of mac operating systems.

2024年1月8日 · If you want to check your Java version in a command-line interface, open Command Prompt or PowerShell, then enter "java -version" in the console. Some apps require you to run a certain Java version to properly function.

2024年9月11日 · In the Command Prompt window, type java -version and hit Enter. This command asks your system to display the installed Java version. It’s as simple as that—just these few characters will give you the information you need.

2024年8月22日 · To check your Java version in Windows 10 using CMD, you’ll open the Command Prompt and type a specific command to display the version of Java installed on your system. This quick action will give you the information you need about your Java installation.

2025年1月5日 · In the Command Prompt, type the following command and press Enter: java -version. 4. The installed Java version will be displayed. For example: Open the Start Menu and type “Environment Variables”. Click on “Edit the system environment variables.” In the System Properties window, click on the “Environment Variables” button.

2019年8月26日 · The second way (more familiar with programmers) to check Java version is opening a command prompt and type the following command: java -version. Suppose that the PATH environment variable is updated for Java, you should see the following result: Here, the version of Java is 1.8.0, and 201 is the update number.