/**
 * For question 2 on exam 2 for CS117, winter 2002.
 *
 * @author Jeff Ondich
 */

import javabook.*;

class Swapper
{
	public static void main( String[] args )
	{
		int		i = 1;
		int		j = 2;

		swap( i, j );
		System.out.println( i + ", " + j );

		int[]	intArray = new int[2];
		intArray[0] = 3;
		intArray[1] = 4;
		arraySwap( intArray, 0, 1 );
		System.out.println( intArray[0] + ", " + intArray[1] );

		Thing	thing1 = new Thing( 5 );
		Thing	thing2 = new Thing( 6 );
		thingSwap( thing1, thing2 );
		System.out.println( thing1.getValue() + ", " + thing2.getValue() );
	}

	public static void swap( int a, int b )
	{
		int temp = a;
		a = b;
		b = temp;
	}

	public static void arraySwap( int[] a, int i, int j )
	{
		int temp = a[i];
		a[i] = a[j];
		a[j] = temp;
	}

	public static void thingSwap( Thing a, Thing b )
	{
		Thing temp = a;
		a = b;
		b = temp;
	}
}