Swap3.java

Aim:

To swap two numbers

Source code:

import java.lang.*;
import java.util.*;
class Swap3
 {
   public static void main(String args[])
     {
       int a,b,t;
       Scanner input=new Scanner(System.in);
       System.out.println("Enter values for a,b");
       a=input.nextInt();
       b=input.nextInt();
       System.out.println("before swapping: a="+a+"b="+b);
       t=a;
       a=b;
       b=t;
       System.out.println("after swapping: a="+a+"b="+b);
      }
   } 

Output:

Enter values for a,b
10
20
before swapping: a=10b=20
after swapping: a=20b=10

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