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: 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 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: 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 …
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. …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a two-dimensional integer matrix of 1s and 0s. A 1 represents land and 0 represents water, so …