I want to start Java Stand alone(Swing) application without dos prompt to open? [closed]

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I want to ru开发者_如何学Cn a Java Stand Alone application(Swing) without the command prompt window to open. How to achieve it? Another question is i want my login screen on the top of an Background Image file. How to achieve this? Pl. give me example code also.

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I'm just going to answer the first question....

In Windows create a bat file

@echo off
start javaw  -jar [jarfile]
exit