Swap program trace:
/**
* Swap variables
*
* @author pepper
* @version 1/26/2009
*/
public class Swap
{
public static void main()
{
swapIt();
}
public static void swapIt()	value in firstCup	value in secondCup	value in thirdCup
{
int firstCup = 5;
int secondCup = 6;
int thirdCup;
System.out.println("The first cup holds " + firstCup);
System.out.println("The second cup holds " + secondCup);
thirdCup = firstCup;
firstCup = secondCup;
secondCup = thirdCup;
System.out.println("The first cup holds " + firstCup);
System.out.println("The second cup holds " + secondCup);
System.out.println("Did it swap the values in the cup?");
System.out.println("Now I will combine cups 2 & 1 into 2 and then switch it back");
secondCup = secondCup + firstCup  ;
System.out.println("The second cup holds " + secondCup);
System.out.println("The first cup holds " + firstCup);
System.out.println("The second cup holds " + secondCup);
System.out.println("Did it swap the values in the cup?");
}
}