//TimeTest.java // Using overloaded constructors import javax.swing.*; public class TimeTest { public static void main( String args[] ) { Time2 t1, t2, t3, t4, t5, t6; String output; t1 = new Time2(); t2 = new Time2( 2 ); t3 = new Time2( 21, 34 ); t4 = new Time2( 12, 25, 42 ); t5 = new Time2( 27, 74, 99 ); t6 = new Time2( t4 ); // use t4 as initial value output = "Constructed with: " + "\nt1: all arguments defaulted" + "\n " + t1.toUniversalString() + "\n " + t1.toString(); output += "\nt2: hour specified; minute and " + "second defaulted" + "\n " + t2.toUniversalString() + "\n " + t2.toString(); output += "\nt3: hour and minute specified; " + "second defaulted" + "\n " + t3.toUniversalString() + "\n " + t3.toString(); output += "\nt4: hour, minute, and second specified" + "\n " + t4.toUniversalString() + "\n " + t4.toString(); output += "\nt5: all invalid values specified" + "\n " + t5.toUniversalString() + "\n " + t5.toString(); output += "\nt6: Time2 object t4 specified" + "\n " + t6.toUniversalString() + "\n " + t6.toString(); JOptionPane.showMessageDialog( null, output, "Demonstrating Overloaded Constructors", JOptionPane.INFORMATION_MESSAGE ); System.exit( 0 ); } }