How to open java program

How to open java program

1. First, open the .class file generated after compiling the source code

1) Press win r, enter cmd, open the command prompt

2) Use the cd command to enter the directory where the .class file is located, and enter java file name can be opened.

For example:

Hello.class

java Hello

2. Open the jar format Java program

Open the command in the same way prompt, enter the directory where the jar is located, and enter the following command

For example:

Hello.jar

java -jar Hello.jar

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