shahadat hossen showrav shahadat664

package shahadatjavaprimary; public class Swaptwonumber { public static void main(String[] arg){ int a=10,b=20; System.out.println("before swaping: a,b="+a+","+b); int temp; temp=a; a=b; b=temp; System.out.println("after swaping: a,b="+a+","+b); }