Swing/AWT/SWT :: Execute Main Class Into A JButton?

how can i execute the main class into a JButton.

Example: Main Class

public class ComparativoV3{
public void loadComparative(String path){
}
public void compareDbs(){

[Code].....

how to set it up the private void CompareActionPerformed(java.awt.event.ActionEvent evt) as the ComparativeV3 main class, not giving it any argument, because the files are load from the arguments section & it reads diferent files with diferent arguments.