Swap Two Numbers Without Using Temporary Variable Java Program
Java Program:
How to swap two numbers without using temporary variable?
Description:
Write a program to swap or exchange two numbers. You should
not use any temporary or third variable to swap.
Code:
package com.java2novice.algos;
public class MySwapingTwoNumbers {
public static void main(String a[]){
int x = 10;
int y = 20;
System.out.println("Before swap:");
System.out.println("x value: "+x);
System.out.println("y value: "+y);
x = x+y;
y=x-y;
x=x-y;
System.out.println("After swap:");
System.out.println("x value: "+x);
System.out.println("y value: "+y);
}
}
Output:
Before swap:
x value: 10
y value: 20
After swap:
x value: 20
y value: 10
Java Program:
How to swap two numbers without using temporary variable?
Description:
Write a program to swap or exchange two numbers. You should
not use any temporary or third variable to swap.
Code:
package com.java2novice.algos;
public class MySwapingTwoNumbers {
public static void main(String a[]){
int x = 10;
int y = 20;
System.out.println("Before swap:");
System.out.println("x value: "+x);
System.out.println("y value: "+y);
x = x+y;
y=x-y;
x=x-y;
System.out.println("After swap:");
System.out.println("x value: "+x);
System.out.println("y value: "+y);
}
}
Output:
Before swap:
x value: 10
y value: 20
After swap:
x value: 20
y value: 10
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