11. class Person { 
12. String name = “No name‟； 
13. public Person（String nm） { name = nm； } 
14. } 
15. 
16. class Employee extends Person { 
17. String emplD = “0000”； 
18. public Employee（String id） { empID = id； } 
19. } 
20. 
21. public class EmployeeTest { 
22. public static void main（String[] args） { 
23. Employee e = new Employee（”4321”）； 
24. System.out.println（e.empID）； 
25. } 
26. } 
What is the result？（） 

class One { 
public One（） { System.out.print（1）； } 
} 
class Two extends One { 
public Two（） { System.out.print（2）； } 
} 
class Three extends Two { 
public Three（） { System.out.print（3）； } 
} 
public class Numbers{ 
public static void main（ String[] argv） { new Three（）； } 
} 
What is the result when this code is executed？（） 

10. class Line { 
11. public class Point { public int x，y； } 
12. public Point getPoint（） { return new Point（）； } 
13. } 
14. class Triangle { 
15. public Triangle（） { 
16. // insert code here 
17. } 
18. } 
Which code， inserted at line 16， correctly retrieves a local instance of a Point object？（） 

10. class Line { 
11. public static class Point { } 
12. } 
13. 
14. class Triangle { 
15. // insert code here 
16. } 
Which code， inserted at line 15， creates an instance of the Point class defined in Line？（） 

1. public class A { 
2. public void doit（） { 
3. } 
4. public String doit（） { 
5. return “a”； 
6. } 
7. public double doit（int x） { 
8. return 1.0； 
9. } 
10.} 
What is the result？（） 

1. public class A { 
2. public String doit（int x， int y） { 
3. return “a”； 
4. } 
5. 
6. public String doit（int... vals） { 
7. return “b”； 
8. }
9. } 
Given： 
25. A a=new A（）； 
26. System.out.println（a.doit（4， 5））； 
What is the result？（） 

1. public interface A { 
2. public void doSomething（String thing）； 
3. } 
1. public class AImpl implements A { 
2. public void doSomething（String msg） { } 
3. } 
1. public class B { 
2. public A doit（） { 
3. // more code here 
4. } 
5. 
6. public String execute（） {
7. // more code here 
8. } 
9. } 
1. public class C extends B { 
2. public AImpl doit（） {
 3. // more code here 
4. } 
5. 
6. public Object execute（） { 
7. // more code here 
8. } 
9. } 
Which statement is true about the classes and interfaces in the exhibit？（） 

class One { 
void foo（） {} 
} 
class Two extends One { 
 //insert method here 
} 
Which three methods， inserted individually at line 14， will correctly complete class Two？（）

class One { 
 public One foo（） { return this； } 
} 
class Two extends One { 
public One foo（） { return this； } 
} 
class Three extends Two { 
 // insert method here 
} 
Which two methods， inserted individually， correctly complete the Three class？（）

A JavaBeans component has the following field： 
11. private boolean enabled； 
Which two pairs of method declarations follow the JavaBeans standard for accessing this field？（）

1. public class A { 
2. 
3. private int counter = 0； 
4. 
5. public static int getInstanceCount（） { 
6. return counter； 
7. } 
8. 
9. public A（） { 
10. counter++； 
11. } 
12. 
13. } 
Given this code from Class B： 
25.A a1 =new A（）； 
26. A a2 =new A（）； 
27. A a3 =new A（）； 
28. System.out.printIn（A.getInstanceCount（） ）；
What is the result？（）