Using directives in CMD to execute JAR packages

Overview:

Today there is a requirement to execute the. jar file in cmd

Practice:1. Create Your Hello world

2. Export to Jar package

3. Open your successful exported jar package

4. Open the folder

5. Edit the following :

Here are three points of attention.

1.class: There must be a space behind

2. The path of the master file must be written in full

3. There must be a line break in the above main

6. Running

Haha, already OK ~

7. Expansion

If you're not feeling perfect here, you need to pass in some extra parameters for extra action. Then you can do the following to improve the operation.

Run the steps and effects such as:

Yes, there's one more thing to watch out for, that's it. Do not use commas between the parameters behind the jar file, but spaces

Using directives in CMD to execute JAR packages