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Could not find the main class: Program will exit

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Are you trying to access a program that you downloaded?
Are you trying to program something?

This is an error that is encountered when a program is started but the system cannot find the main class (The first step to starting the program which controls the whole flow of the program)

If it is something you downloaded from a rookie developer, or something you programmed yourself take a look at your main function, it is probably declared improperly. Google the specific language you are using to see how it is supposed to be declared.

If it is a mainstream something you are trying to install and run something somewhere corrupted. Try to re-download and reinstall. If that doesn't work it is possible something in your registry is corrupted... unlikely, but possible.

Posted on Apr 28, 2014

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Posted on Jan 02, 2017

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package com.gpt;

import javax.swing.JOptionPane;

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