Exercise10.java

	public class Exercise10 {
 public static void main(String arg[]) {
 // Write a program that can "swap" two variables. In other words,
 // the value originally in x should end up in y, and the original 
 // value of y should end up in x.
 System.out.print("Enter two numbers (with a space between them): ");
 int x = StdIn.readInt();
 int y = StdIn.readInt();
 System.out.println("At first, x is " + x + " and y is " + y);
 
 // Add your code here, then click "run" to test it.

 System.out.println("At the end, x is " + x + " and y is " + y);

 }
 }