Swap two variables in Java

 Question: write a java program to SWAP two variables .
Ans:

First of all let me clear swap concept what exactly swap is

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Swap ek programming concept hai jo do variables ke values ko exchange karta hai. Matlab, agar aapke paas a aur b do variables hain, to swap operation se a aur b ke values interchange ho jate hain. Java me, aap do variables ke values ko swap karne ke liye various tarike istemal kar sakte hain. Yahan ek example diya gaya hai jo aapko samjhane me madadgar ho sakta hai:

package learning;

import java.util.Scanner;

public class learnNew {

public static void main(String[] args){

Scanner scan = new Scanner(System.in);

int a = 20;

int b = 90;

// swap concept

int temp = a;

a = b;

b = temp;

System.out.println(a);

System.out.println(b);

}

}

90

20