main.java

this is lexical tokens of compiler operate on java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package compilerphase1;

import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

/**
 *
 * @author sherif
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
         try {
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    }
    catch (UnsupportedLookAndFeelException ex) {
    }
    catch (IllegalAccessException ex) {
    }
    catch (InstantiationException ex) {
    }
    catch (ClassNotFoundException ex) {
    }
         new mainframe().setDefaultCloseOperation(0);
    }

}