making transperent background [duplicate]

This question already has answers here: Closed 11 years ago.

Possib开发者_如何学JAVAle Duplicate:

Make a JPanel not draw its background (Transparent)

i want to make my application background as transperent.how to do this?

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A quick Google search could find you the answer but look at this topic:

Make a JPanel not draw its background (Transparent)