Java Numbers

Quick example to format any type of number - int, long, float, and double to 2 decimal places in Java

In this tutorial, we’ll learn how to generate a random number, generate a random array or list, get a random element from an array or list, and shuffle the list elements.

Problem: Given a Roman numeral, convert it to an Integer.

Problem: Given an Integer input, convert it to a Roman numeral. Input is within the range from 1 to 3999.