Number System Archives -

Program to convert String to Float in java (example)

Given an String variable in java, we would like convert String to integer using Integer.parseInt, Integer.valueOf or Integer constructor (with example)

Program to convert String to Double in java (example)

Given an String variable in java, we would like convert String to integer using Integer.parseInt, Integer.valueOf or Integer constructor (with example)

Convert String variable to Long in java (example)

Given an String variable in java, we would like convert String to integer using Integer.parseInt, Integer.valueOf or Integer constructor (with example)

Program to add two binary numbers in java (example)

Given two binary numbers in java We would like to find out sum of two binary numbers. Examples: add two

Check integer number is positive, negative, zero in java (example)

Given a integer number, check given number is positive. negative or zero. If the input number is greater than zero

Calculate power of integer number in java (example)

Given a integer number, find out the power of given number. Methods to calculate power of given number. Calculate power

Program to calculate simple interest (Java & Example)

Problem Statement ? Given Principal amount (P). Rate of interest (R). Time Period (T) Find out the simple interest in

Convert decimal number to hexdecimal – (java api, iterative & recursive)

Given a decimal number (base 10), convert decimal number to hexadecimal (base 16) using java. We will discuss various methods

Convert decimal number to Octal – (java api, iterative & recursive)

Given a decimal number (base 10), convert decimal number to octal (base 8) using java. We will discuss various methods

Find sum of all digits of given number/Integer (java /example)

Problem Statement ? Given a number or integer in java, we would like to calculate the sum of all digits.

Find number of consecutive 1’s in a binary number in java (example)

Given a decimal number in java (base 10) Find out number of consecutive 1’s in a binary number. 1. Examples

Convert String variable to Integer in java (example)

Given an String variable in java, we would like convert String to integer using Integer.parseInt, Integer.valueOf or Integer constructor (with example)

Convert decimal number to binary – (java api, iterative & recursive)

Given a decimal number (base 10), convert decimal integer to binary number (base 2) using java. We will discuss various

Convert hexadecimal to decimal – java api, iterative & recursive

Given a hexadecimal number, convert hexadecimal number to decimal number using java. We will discuss various methods to convert hexadecimal

Convert decimal to hexadecimal – java api, iterative & recursive

Given a decimal number (base 10), convert decimal to hexadecimal number (base 16) using java. We will discuss various methods to

Find LCM of two numbers using GCD in java (example)

LCM (Least common multiple) of two integers is the least positive integer that is divisible by both a and b. e.g

Swap two numbers in java using third or temporary variable (example)

Given two input numbers, swap numbers using temporary variable. e.g. Given two input numbers x = 10 & y =

Check whether given integer number is prime or not in java (example)

Given an integer, check whether input number is prime or not. A prime number is a natural number greater than 1

Program to convert binary number to decimal (java api, iterative & recursive)

Given a binary number, convert binary number to decimal number using java. We discuss various methods to convert binary number

GCD of two numbers Euclidean algorithm in java (iterative/ recursive)

The greatest common divisor (GCD) is the largest natural number that divides two numbers without leaving a remainder. e.g gcd ( 10,15) =

Check given number is palindrome using java (non-recursive/example)

What is palindrome ? A palindrome is a word, number, phrase, or other sequence of characters which reads the same from

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