Swap number in Java


/* Swap Numbers Java Example*/

import java.io.*;
class sw{

public static void main(String[] args) {

int num1 = 10;
int num2 = 20;

System.out.println(“Before Swapping”);
System.out.println(“Value of num1 is :” + num1);
System.out.println(“Value of num2 is :” +num2);

//swap the value
swap(num1, num2);
}

private static void swap(int num1, int num2) {

int temp = num1;
num1 = num2;
num2 = temp;

System.out.println(“After Swapping”);
System.out.println(“Value of num1 is :” + num1);
System.out.println(“Value of num2 is :” +num2);

}
}

output:

sw

 

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