How to open java jar file

The jar file is actually a project file generated under a Java project. Of course, some users call it a Java compressed package, which encapsulates many Java classes, methods, and variables. If the user wants to open the jar file, there are two methods. Please see below for specific operations. Recommended: java video tutorial

##1. Use WinRAR to open the jar file

1. First, we find a jar file generated by Java and put it It is stored in a designated location for easy viewing.

2. Then right-click the jar file, select the open method, and then set the method to open the compressed file. At this time, we will see that the jar file on the desktop turns into a compressed package icon.

　

3. Then we double-click the jar file on the desktop to view the specific contents of the jar file in the form of a compressed package.

2. Use a Java program to open the jar file

1. First, we must make sure that the Java runtime environment has been installed on our computer. , so that the jar file can be opened using a Java program.

#2. After ensuring that the Java program is installed, right-click on the jar file, select the default opening method, and select Java (TM) platform SE to open.

#3. After the settings are completed, we right-click the jar file to decompress it and then view the contents of the jar file.

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