# Java Program to Swap Two Numbers Without using the Third Variable1 min read

This post covers the Java Program to swap two numbers without using the third variable. It is easy to swap two numbers using the third variable, we assigned one to a temporary(temp) variable and swap with others.

Now let us see without using the third variable.

Explanation:
With the help of a Scanner class, we take the user input for two integers (a = 5, b = 3).
Now during the process of swapping, we assigned the value of `a` equal to the sum of a and b that is,
`a = a + b;`
(a = 5+3 = 8).

Second, we assigned the value of b equal to the difference between a and b that is,
`b = a - b`
(b= 8 – 3 = 5).

Lastly, we assigned the value of a equal to the difference between a and b that is,
`a = a - b`
(a= 8 – 5 = 3).

Then print those swapped values as shown in the program below.

## Java program to swap two numbers without using Third Variable

Output:

### C Program to search an element in an array using Pointers

A separate function( search_function()) will be created where the array pointer will be declared and the searched element along with the size of an array …

### C Program to find the sum of the digits of a number using recursion function

This C program calculates the sum of digits of a given number using recursion. Here’s a concise explanation: Function Definition: sumDigits(int n) This function calculates …

### C program to find factorial of a numberĀ using Ternary operator with Recursion

Recursion refers to the function calling itself directly or in a cycle. Before we begin, you should have the knowledge of following in C Programming: …

### C Program to Add Two Numbers Using Call by Reference

The program takes the two numbers from the user and passes the reference to the function where the sum is calculated. You may go through …

### Find the output ab, cd, ef, g for the input a,b,c,d,e,f,g in Javascript and Python

In this tutorial, we will write a program to find a pairs of elements from an array such that for the input [a,b,c,d,e,f,g] we will …

### String Pattern Programs in C

In this tutorial, we will write various C pattern programs for String. Before that, you may go through the following topics in C. for loop …