Define a base class to represent a Clock.

Your class should have instance variables for hours,
minutes and seconds.

```
public class Clock
{
private int hour;
private int minute;
private int second;
public Clock()
{
//initialize to default values
hour = 0;
minute = 0;
second = 0;
}
public Clock(int h, int m, int s)
{
setHour(h);
setMinute(m);
setSecond(s);
}
/**
Valid integers for hour is in the range of 0 - 24
*/
public void setHour(int h)
{
if((h >= 0) && (h <= 24))
hour = h;
else
System.out.println("Fatal error: invalid hour");
}
/**
Valid integers for minute is in the range 0 - 59
*/
public void setMinute(int m)
{
if((m >= 0) && (m <= 59))
minute = m;
else
System.out.println("Fatal error: invalid minute");
}
/**
Valid integers for second is in the range 0 - 59
*/
public void setSecond(int s)
{
if((s >= 0) && (s <= 59))
second = s;
else
System.out.println("Fatal error: invalid second");
}
public int getHour()
{
return hour;
}
public int getMinute()
{
return minute;
}
public int getSecond()
{
return second;
}
//Facilitator methods
public String toString()
{
return "The current time is: " + hour + ":" + minute + ":" + second;
}
public boolean equals(Object o)
{
if(o == null)
return false;
else if(getClass() != o.getClass())
return false;
else
{
Clock otherClock = (Clock) o;
return((hour == otherClock.hour) && (minute == otherClock.minute)
&& (second == otherClock.second));
}
}
}

```