Armstrong Number in Java | Theory + Code Explained | Java Basics for Beginners
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In this video, we’ll learn how to check whether a number is an Armstrong Number in Java using loops and conditions. An Armstrong Number is a number in which the sum of the cubes (or powers) of its digits is equal to the number itself.
Timeline:
Intro: 00:00
What is Armstrong Number: 00:30
Example of Armstrong Number: 01:30
Writing Java Code: 05:10
Program Output Demo: 12:00
Outro: 16:50
This is one of the most important beginner programs in Java, commonly asked in exams, interviews, and lab practice.
🔸 What you’ll learn:
🔢 What Armstrong Numbers are in mathematics
🔁 Using loops to extract and process digits
🧠 Logic building to check Armstrong Numbers
🧑💻 Writing Java code for Armstrong check
🎓 Important number program for students & interviews
📌 Example:
✔ 153 → Armstrong ✅ (1³ + 5³ + 3³ = 153)
❌ 123 → Not Armstrong ❌ (1³ + 2³ + 3³ = 36 ≠ 123)
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Let’s grow and learn Java together! 🚀
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