Java: Example - ToUppercase

// ToUpperCase.java Example: Converts text in one field to uppercase in another.
// Fred Swartz, 1999...2004-04-11

import javax.swing.*;

//////////////////////////////////////////////////////////////// ToUpperCase
public class ToUpperCase {
    //================================================================= main
    public static void main(String[] args) {
        JFrame window = new ToUpperCaseGUI();
        window.setTitle("ToUpperCase Example");
        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        window.show();  // Same as window.setVisible(true)
    }//end main  
}//end class ToUpperCase

/** ToUpperCaseGUI.java Example: Converts text to uppercase.
    @author Fred Swartz
    @version 2004-04-16
*/

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

///////////////////////////////////////////////////////////// ToUpperCaseGUI
/** GUI (window) for lower to uppercase conversion program. */
public class ToUppe