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？（）