How to turn a source code into a .jar file(a plugin)

Hello everyone. I was wondering if anyone here can help me or explain to me how to turn a source code into a .jar file, I know this might sound a lot but you have no idea how much it would help me if you explain to me how

Thanks for reading!

 

you compile the source xD if ur in eclipse right click on the project and click export then click jar file then name it and your finished

 

Has this source code been previously decompiled?

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@call911

Okay, to export a JAR file from Eclipse, right click on your project, click 'Export' then 'JAR File.' Uncheck the '.classpath' and '.project' files, you don't need those. Then, make sure your 'plugin.yml' is checked. Then, set your directory to where the file will be, set a name then click 'OK' then 'Finish' Then, move to the directory to where you exported it, and it should be there.