This article discusses some of the frequently asked programming interview questions on Numbers in Java.

If you are going for a Java developer/Senior developer job interview with big technical giants like Microsoft, Google, eBay, Amazon, Apple, Yahoo etc, you should be prepared for such coding interview questions. These questions are for Beginners/Intermediate reference.

Refer below the top programming questions on numbers

1. How to swap two numbers without using a temp variable in java ? (Solution)

 

2. Write a Java program to check if given number is a prime number or not. (Solution)

 

3. How to find GCD of two numbers using recursion in Java ? (Solution)

 

4. How to check if a number is an Armstrong number ? (Solution)

 

5. Java program to Calculate power of a number using recursion : (Solution)

 

6. Find sum of digits of a number using recursion in java. (Solution)

 

7. Convert a decimal number to binary using recursion in java : (Solution)

 

8. Java program to find factorial of a number : (Solution)

 

9. Java program to calculate Fibonacci series : (Solution)

 

10. Java program to reverse a number and check if it is a Palindrome : (Solution)

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