Time2

/**
 * Write a description of class Time2 here.
 *
 *
 *
 */
public class Time2
{
    private int hour; // 0 - 23
    private int minute; // 0 - 59
    private int second; // 0 - 59

    // Time2 no-argument constructor:
    // initializes each instance variable to zero
    public Time2()
    {
        this( 0, 0, 0 ); // invoke Time2 constructor with three arguments
    } // end Time2 no-argument constructor
    // Time2 constructor: hour supplied, minute and second defaulted to 0
    public Time2( int h )
    {
        this( h, 0, 0 ); // invoke Time2 constructor with three arguments
    } // end Time2 one-argument constructor

    // Time2 constructor: hour and minute supplied, second defaulted to 0
    public Time2( int h, int m )
    {
        this( h, m, 0 ); // invoke Time2 constructor with three arguments
    } // end Time2 two-argument constructor

    // Time2 constructor: hour, minute and second supplied
    public Time2( int h, int m, int s )
    {
        setTime( h, m, s ); // invoke setTime to validate time
    } // end Time2 three-argument constructor

    // Time2 constructor: another Time2 object supplied
    public Time2( Time2 time )
    {
       // invoke Time2 three-argument constructor
       this( time.getHour(), time.getMinute(), time.getSecond() );
    } // end Time2 constructor with a Time2 object argument

    public void setTime( int h, int m, int s )
 {
     setHour( h ); // set the hour
     setMinute( m ); // set the minute
     setSecond( s ); // set the second
 } // end method setTime

 // validate and set hour
 public void setHour( int h )
 {
     if ( h >= 0 && h < 24 )
     hour = h;
     else
     throw new IllegalArgumentException( "hour must be 0-23" );
 } // end method setHour

 // validate and set minute
 public void setMinute( int m )
 {
     if ( m >= 0 && m < 60 )
     minute = m;
     else
     throw new IllegalArgumentException( "minute must be 0-59" );
 } // end method setMinute

 // validate and set second
 public void setSecond( int s )
 {
    if ( s >= 0 && s < 60 )
    second = ( ( s >= 0 && s < 60 )?s: 0 );
    else
    throw new IllegalArgumentException( "second must be 0-59" );
 } // end method setSecond

    // Get Methods
    // get hour value
    public int getHour()
    {
    return hour;
    } // end method getHour
    // get minute value
    public int getMinute()
    {
    return minute;
    } // end method getMinute
    // get second value
    public int getSecond()
    {
    return second;
    } // end method getSecond
    // convert to String in universal-time format (HH:MM:SS)
    public String toUniversalString()
    {
    return String.format(
    "%02d:%02d:%02d", getHour(), getMinute(), getSecond() );
    } // end method toUniversalString

    // convert to String in standard-time format (H:MM:SS AM or PM)
    public String toString()
        {
            return String.format( "%d:%02d:%02d %s",
            ( (getHour() == 0 || getHour() == 12) ? 12 : getHour() % 12 ),
            getMinute(), getSecond(), ( getHour() < 12 ? "AM" : "PM" ) );
        } // end method toString
    } // end class Time2