Java Program to determine if Given Year is Leap Year
Objective: Given a Year, write a java program to find whether year is leap year or not. Leap Year: a year, usually occurring once every four years, that has 366 days including February 29...
Category: Beginner
Find the Area of a Circle – Java Program
Area of a circle = πR2 Where π = 3.14 and R = radius of circle Example: Radius = 4.0 Area = π*radius*radius = 3.14*4*4 = 50.24 Code:Run This Code Output: Area of circle...
Fizz Buzz Challenge – Java Implementation
Objective: Write a program that prints the numbers from 1 to 100. But for multiples of three print “Fizz” instead of the number and for the multiples of five print “Buzz”. For numbers which...
Divide with power of 2 without using pow() or / operator
Objective: Given a number n and k, Calculate n / k2 without using pow() or / operator. Example: N = 48, k = 4 N/k2 = 3 Approach: Bit Manipulation Right shift the number...
Maximum Difference between two elements in array – Largest Gap Problem
Objective: Given an array of numbers, write an algorithm to find the maximum difference between any two elements in the array. Example: Int [] a = {2, 8, 1, 6, 10, 4} Output: Maximum...
Minimum number of guesses needed to find a specific number
Objective– Given the numbers 1 to 1000, what is the minimum number of guesses needed to find a specific number if you are given the hint “higher” or “lower” for each guesses you make....
Left Shift (<<) and Right Shift (>>) Operators
What is Left Shift (<<) Operator: a<<b means left shift the bits of number a by b places. 3<<2 means left shift the bits of number 3 by 2 places. Result = 12 011...
Find the Area of a Triangle Using coordinates
Objective – Given three vertices coordinates or (X, Y) coordinates, write a program to find the area of a triangle. Example: Approach: Given the coordinates of the three vertices of any triangle are (X1,...
Java Program to find if Triangle can be formed using given 3 sides
Algorithms – Java Program to find if Triangle can be formed using given 3 sides Objective– Given 3 side lengths, write a program to find out if using these 3 sides, a triangle can...
Convert Number to base 3 String Representation
Objective: Given a number convert it to base 3 representation. Example: N = 35 Base 3 representation: 1022 N = 50 Base 3 representation: 1212 Approach: Till the number is greater than 0, keep...
Find the Area of a Triangle Given Three Sides – Heron’s Formula
Objective – Given three sides of triangle, write a program to find the area of a triangle. Heron’s Formula for finding area of triangle: First find the semi parameter of a triangle using formula,...
Find Factorial of a given Number
Objective: Given a number, write a program to find factorial of that number. What is Factorial Number? In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. The value of...
Reverse a String using Recursion
Objective: Given a String, write a recursive program to reverse it. Example: Original String: tutorial horizon Reversed String: noziroh lairotut Approach: Take the first character out of the string, add it to the end...
Find Sum of all Digits of a Number
Objective: Given a number, find the sum of all of the digits in the number. Example: Number = 3045 Sum = 3+0+4+5 = 12 Number = 231 Sum = 2+3+1 = 7 Approach: Initialize...
Print maximum occurring character in a String
Objective– Given a string, write an algorithm to find the character in string which occurs maximum number of times. If more than one character has maximum and same count then print all of them...