/**
 * A non-generic Immutator with parameter
 * div and mod that takes in an integer val
 * and return the boolean value by checking
 * if the given value is equal to mod when
 * divided by div.
 *
 * CS2030S Lab 4
 * AY22/23 Semester 1
 *
 * @author Put Your Name (Lab Group)
 */