swapp.java

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/**
 *
 * @author g1.test1
 */import java.io.*;
public class swapp {
 public static void main(String args[])throws Exception
 {
 BufferedReader i=new BufferedReader(new InputStreamReader(System.in));
 System.out.println("enter the two numbers");
 int a=Integer.parseInt(i.readLine());
 int b=Integer.parseInt(i.readLine());
 System.out.println("before swap"+a+" "+b);
 int temp;
 temp=a;
 a=b;
 b=temp;
 System.out.println("after swap"+a+" "+b);
 
 }

}