Java Programs

Java programs are frequently asked in the interview. These programs can be asked from control statements, array, string, oops etc. Let's see the list of java programs.

1) Fibonacci series

Write a java program to print fibonacci series without using recursion and using recursion.

Input: 10

Output: 0 1 1 2 3 5 8 13 21 34

2) Prime number

Write a java program to check prime number.

Input: 44

Output: not prime number

Input: 7

Output: prime number

3) Palindrome number

Write a java program to check palindrome number.

Input: 329

Output: not palindrome number

Input: 12321

Output: palindrome number

4) Factorial number

Write a java program to print factorial of a number.

Input: 5

Output: 120

Input: 6

Output: 720

5) Armstrong number

Write a java program to check Armstrong number.

Input: 153

Output: Armstrong number

Input: 22

Output: not Armstrong number

6) Bubble Sort

Write a java program to sort an array elements using bubble sort algorithm.

Input: 18 9 33 4 84 32

Output: 4 9 18 32 33 84

7) Selection Sort

Write a java program to sort an array elements using selection sort algorithm.

Input: 18 9 33 4 84 32

Output: 4 9 18 32 33 84

7) Insertion Sort

Write a java program to sort an array elements using insertion sort algorithm.

Input: 18 9 33 4 84 32

Output: 4 9 18 32 33 84