import java.util.*; public class NonGraduatingStudent extends Student { public NonGraduatingStudent () {} public NonGraduatingStudent (String aName, DirectorOfStudies aDos) { name = aName; director = aDos; } // a non-graduating student may pick an arbitary module public void chooseModule(java.io.BufferedReader d) throws java.io.IOException { System.out.println ("Module name:"); Module m = Registry.getModule(d.readLine()); if (null == m) { System.out.println ("Not a module"); } else { registerForModule(m); } } }