29.Program for swap (input from user)

import java.util.*;

class perform

{

            int a,b;

            double c,d;

            void func(int m,int n)

            {

                        a=m;

                        b=n;

                        a=a+b;

                        b=a-b;

                        a=a-b;

                        System.out.println("Integer swap:"+a+","+b);

            }

            void func(double p,double q)

            {

                        c=p;

                        d=q;

                        c=c+d;

                        d=c-d;

                        c=c-d;

                        System.out.println("Float swap:"+c+","+d);

            }

}

class swap3

{

            public static void main(String args[])

            {

                        Scanner sc=new Scanner(System.in);

                        perform ob=new perform();

                        System.out.println("Enter integer no.:");

                        int m=sc.nextInt();

                        int n=sc.nextInt();

                        System.out.println("Enter float no.:");

                        double p=sc.nextDouble();

                        double q=sc.nextDouble();

                        ob.func(m,n);

                        ob.func(p,q);

            }

}