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How to execute jar file in mobile?

When we run our project, it forms a jar file.
To run this file in mobile what we need to do is:
just transfer the file to mobile device (by any medium: bluetooth or data cable) and open it. It'll run the application in mobile.

Note: The problem can come:
Your mobile doesn't recognize that jar or doesn't open that jar file.
Sol: It is because of MIDP and CLDC configuration you have chosen while building your file.
Now, CLDC 1.1 and MIDP 2.0 is supported by almost all the mobiles.
Remember, to make MIDP as 2.0
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