Armstrong Number Java Program Using While loop (Class 10)




In this article, we will learn how to write an Armstrong Number Java program using for loop as per the Class 10, 11, and 12 ICSE/ISC/CBSE curriculum. An Armstrong Number (also called Narcissistic Number) is a common question in school-level board exams. Here, we will explain the logic behind Armstrong Numbers, write a simple Java program using for loop, and display sample outputs. Whether you are a beginner or revising for exams, this program will help you practice and strengthen your Java programming basics.


Topic: Write a java program to enter a number and check whether it is an Armstrong number or not. 

(Armstrong Number: An Armstrong number is a number whose sum of cubes of its digits is equal to the number
. For eg. in 153, 1*1*1 = 1, 5*5*5 = 125, 3*3*3 = 27, 1+125+27=153)


Armstrong Number Java Program Using While loop (Class 10)


Hope this helped you. 💙

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Armstrong Number Java Program Using For Loop (Class 10–12 ICSE/ISC/CBSE) – Learn how to write an Armstrong Number Java program using for loop with step-by-step explanation. Designed for Class 10, 11, and 12 students, this guide explains Armstrong Numbers, provides clean and commented Java code, and includes sample outputs for better understanding.

Keywords: Armstrong Number Java Program, Armstrong Number Java Program using for loop, Armstrong Number logic in Java, Java program Class 10 ICSE ISC CBSE.
Slug: armstrong-number-java-program-using-for-loop-class-10


Practice Question

Write a Java program using a for loop to display all the Armstrong Numbers between 1 and 10000. This will help you practice nested loops, number extraction, and mathematical logic.


FAQs – Armstrong Number Java Program Using For Loop

1. What is an Armstrong Number in Java?

An Armstrong Number is a number that is equal to the sum of its own digits each raised to the power of the number of digits. For example, 153 is an Armstrong Number because:
1³ + 5³ + 3³ = 1 + 125 + 27 = 153.


2. How do you write an Armstrong Number Java Program using for loop?

You can write an Armstrong Number program by using a for loop to extract each digit, raise it to the required power, and add the results. Finally, compare the sum with the original number. If they match, it’s an Armstrong Number.


3. Is this program important for Class 10, 11, and 12 ICSE/ISC/CBSE students?

Yes! The Armstrong Number program is an important Java program in the Class 10–12 curriculum. It helps you understand loops, power calculation, and number manipulation, and is frequently asked in practical exams and board papers.


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