CSC/ECE 517 Fall 2007/wiki1 6 b2

Java solution

Staff.java public interface staff { void saySta(); }

Student.java public interface student { void sayStu(); } WorkStudy.java public class WorkStudy implements staff, student{ private String name; WorkStudy(String name){ this.name=name; }

public void saySta(){ System.out.println(name+" is working here!"); }

public void sayStu(){ System.out.println(name+" is studying here!"); }

public void say(){ saySta(); sayStu(); System.out.println("So, "+name+" is work-study student here!"); } }

mainclass.java public class mainclass {

/** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub WorkStudy j; j=new WorkStudy("Ying"); j.say(); }

}