How many objects are created in the following code: public class RAM { int size; RAM(int size) { this.size = size; } } public class Motherboard { int x = 1; RAM ram = new RAM (8192); public static void main(String [] a) { classroom myroom = new Classroom (20); } } class Computer { Motherboard m[]; Computer (int x) { m = new Motherboard [x]; for (int i = 0; i < m.length; i++) m[i] = new Motherboard(); } } class Classroom { Computer c1[]; classRoom (int x) { cl = new Computer[x]; for (int i = 0; i < c.length; i++) c1[i] = new Computer (4); } }