write a program in java swaping two numbers

write a program in java swaping two numbers

import java.util.*;

class sw{

int a,b,temp;

void swap(){

Scanner in=new Scanner( System.in);

System.out.println("enter the first value:");

a=in.nextInt();

System.out.println("enter the second value:");

b=in.nextInt();

temp=a;

a=b;

b=temp;

System.out.println(+"a= "+a+"b="+b);

}

class swap{

public static void main(String args[]){

sw pic=new sw();

pic.swap();

}

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