/* Hello, I'm Classroom1, a minimal model of a classroom. * I have a roomNumber */ import java.io.PrintStream; public class Classroom1 { private int roomNumber; public Classroom1(int aRoomNumber) { this.roomNumber = aRoomNumber; } public int getRoomNumber() { return roomNumber; } public void printOn(PrintStream report) { report.println("I am Classroom: " + getRoomNumber()); } }