Write a function to reverse a number. For example, if num = 1234, the expected output is 4321. Did you find this article helpful? In this program, you'll learn to reverse a number using a while …

Apr 8, 2025 · We can reverse a number in Java using three main methods as mentioned below: 1. Using While Loop. Simply apply the steps/algorithm discussed and terminate the loop when the number becomes zero. Example: The complexity of the above method: 2. Using Recursion. In recursion, the final reverse value will be stored in the global ‘rev’ variable.

Sep 15, 2022 · In this tutorial, you will learn how to reverse a number in Java. For example if a given input number is 19 then the output of the program should be 91. There are several ways to reverse a number in Java. We will mainly discuss following three techniques to reverse a number.

Mar 17, 2025 · In this section, we will learn how to reverse a number in Java using while loop, for loop and recursion. First, we find the remainder of the given number by using the modulo (%) operator. Multiply the variable reverse by 10 and add the remainder into it. Divide the number by 10. Repeat the above steps until the number becomes 0.

Here is a program that reverse a number in Java using the while loop, for loop, and recursive approaches, along with a detailed explanation & examples.

Learn how to reverse a number in Java with a step-by-step explanation and example code. This Java program efficiently reverses a given integer using loops.

Apr 25, 2025 · Using Static Method 1) Here we have a static method reverse (int num), which calculates the reverse number. 2) The reverse method is called at the main method then reverse method executed and returns the reverse number, then prints the reverse number.

Given a integer input the objective is to break down the number into digits and rearrange them in reverse order. We’ll use loops and recursion to reverse the number input. therefore, we’ll write a program to Find the Reverse of a Number in Java Language.

How to write a Java Program to Reverse a Number using While Loop, For Loop, Built-in reverse function, Functions, and Recursion. With no direct approach, you must use logic to extract the last digit from the number, add it to the first position, and …

In this tutorial, we will learn how to write a Java program to reverse a number using a while loop and a for loop in Java. We will read input from the console using Scanner class.