Teaching Kids Programming – Convert Romans to Integers
Teaching Kids Programming: Videos on Data Structures and Algorithms Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 …
Input Password Function in Console Using Java
Letting users picking password in console is a commonly wanted feature. We let the users enter a password string, and check if it is a valid password e.g. minimal …
Teaching Kids Programming – Max Number of Points on a Line
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a two-dimensional list of integers coordinates. Each list contains two integers representing a point on the Cartesian …
The Java Method to Read Content of File into a String
The following FileUtils.readFile takes a file path, and a second paramter charset – then it will read the content of the file and return as a string. This is …
Teaching Kids Programming – Largest Odd Number in String
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a string num, representing a large integer. Return the largest-valued odd integer (as a string) that is …
How to Check If Two Collections Intersect in Java?
Given Two Collection Types in Java, we want to find out if two collections are overlapping (intersection) i.e. Any of the elements in one collection are found in another. …