Find area & perimeter of a square in java (with example)
What is Square shape ? The square is a fundamental shape in geometry, characterized by several defining properties. It is […]
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Given radius, find area & circumference of circle in java (example)
Given radius of circle, find out the area & circumference of circle in java (with example). Area of circle is PI * radius * radius
Find area & perimeter of rectangle in java (with example)
Given a length and breadth of a rectangle, find the area and perimeter of rectangle. Area of rectangle is length * breadth e.g if
Find area of triangle using base & height in java (example)
Given base & height of triangle, calculate the area of triangle. Area of triangle = 0.5 * base * height. e.g
Find area of triangle (three sides) using hero formula ( java & example)
Given three sides of triangle, find the area of triangle using hero’s formula. Suppose a, b and c are the
Swap two numbers without using third or temporary variable in java
Program to swap two numbers / variable without temporary or third variable in java using XOR , addition / subtraction , multiplication / division methods
Program to check given input number is even or odd in java (example)
What are even & odd numbers ? Given a number in java, check whether number is even or odd The
Find factorial of number in java – recursive & iterative (example)
What is factorial of number? Factorial of a non-negative integer n, denoted by n!. Factorial is the product of all
Reverse number – Leet Code Challenge
Given a input number in java. Reverse input number using iterative or non recursive algorithm. e.g. if input number is
Generate/ print fibonacci series in java – recursive & iterative (example)
What is Fibonacci series? Fibonacci number is obtained by adding two preceding numbers. Fibonacci series is collection of fibonacci numbers. e.g. fibonacci
Java API, recursive & iterative algorithm to reverse string (example)
Given a String in java, reverse the String using standard java classes & recursive/iterative algorithm. e.g. reverse(“Lived”) = “deviL” reverse(“Star”) =
Create or implement FizzBuzz game program in java (with example)
What is Fizz buzz game? FizzBuzz game is very famous interview question. Fizz buzz is a group word game used