I mean, you are trying to write a piece of code. make an analysis of your project. write down the structure of the program, in pseudo-code or ns diagrams, this is not a necessity, but will be helpfull once you're working.
then, you choose an Integrated Development Environment (aka IDE) such as NetBeans, Eclipse, JCreator, ... and you start coding.
when you come up against a problem you can not solve yourself, post a specific question about it, post your code and the exceptions or results you are getting and the results you want to get.
but just make it readable:
talking like :"H1 m8tes, 1 n33dz Ur h3lp" is not considered 'cool' it's annoying and it will make people less eager to help you
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