Java Practice Exercise – Looping Structures

Control Structures

Repetition / Looping Structure
  • Print numbers from 1 to 5
  • Read and display 5 numbers
  • First N even numbers
  • First N odd numbers
  • First N numbers divisible by 4
  • Numbers between 1 and 50 which are divisible by 3 and not by 5
  • Print numbers between two limits
  • Print numbers between two limits and type (odd / even)
  • Display the multiplication table
  • Read and display 5 numbers.
    • Count and display number of positive, negative and zeros.
    • Mean of 5 numbers
    • Biggest / smallest of 5 numbers
  • GCD of two numbers
  • Armstrong number
  • Exponentiation of a number (xn)
  • Square root of a number using Newton’s method
  • Factorial of a given number
  • Factorial of first N numbers
  • Fibonacci series
  • Number manipulation
    • Display digits of a given number
    • Count number of digits in a given number
    • Sum of digits in a given number
    • Sum of digits of a number until single number is obtained
    • Display digits in the number and type (even / odd)
    • Sum of even and odd digits of a number
    • Reverse of a number & Palindrome
    • Smallest and largest digit in a number
    • Digits in odd position of a number
    • Digits in even position of a number
  • Check if given number is a Prime number or not
  • Display all the prime numbers between two limits
  • Display first N prime numbers