Class Counter

java.lang.Object
  Counter

public class Counter
extends java.lang.Object

Constructor Summary

Counter()
Constructor for the Counter class, with initial value 0 and limit 12.

Counter(int limit)
Constructor for the Counter class, with initial value 0 and given limit.

Method Summary

int	getValue() return the value of the Counter.
static void	main(java.lang.String[] args) A main program to test the counter.
void	reset() Resets the value of the Counter to 0
void	set(int newValue) Sets the value of the Counter to newValue.
void	tick() Increment the value of the Counter, wrapping back to 0 when it reaches limit.
java.lang.String	toString() returns a String representation with at least 2 digits, padding with a leading 0 if necessary.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Counter

public Counter()

Constructor for the Counter class, with initial value 0 and limit 12.

Counter

public Counter(int limit)

Constructor for the Counter class, with initial value 0 and given limit.

Parameters:

limit - - the upper bound for the counter

Method Detail

tick

public void tick()

Increment the value of the Counter, wrapping back to 0 when it reaches limit.

set

public void set(int newValue)

Sets the value of the Counter to newValue. If newValue is too large or is negative sets it to 0. (We will learn better ways to handle errors later!)

Parameters:

newValue - the value to reset the counter to

reset

public void reset()

Resets the value of the Counter to 0

getValue

public int getValue()

return the value of the Counter.

Returns:

the current value of the counter.

toString

public java.lang.String toString()

returns a String representation with at least 2 digits, padding with a leading 0 if necessary.

Overrides:

toString in class java.lang.Object

Returns:

a String representation of the counter with at least 2 digits.

main

public static void main(java.lang.String[] args)

A main program to test the counter. (Including such testing programs is a good idea!)