True or False questions -- 3 points each
Answer each question with T or F

1. _____ Every Java application must have a public final void main(String args[]) method.
   
   
2. _____ You may only have one (external) Java class per file.
   
   
3. _____ A class inherits all the fields, methods, and constructors of its superclass.
   
   
4. _____ All the functions defined by an interface declaration are public.
   
   
5. _____ You must import java.io.*; in order to use System.out.println().
   
   
6. _____ Java syntax requires class names to begin with a capital letter.
   
   
7. _____ In Java, the length of an array is not part of its type.
   
   
8. _____ An Exception is just another kind of object, with fields and methods.
   
   
9. _____ You cannot subclass (extend) Event.
   
   
10. _____ A try statement always has at least one catch clause.
    
    
11. _____ An Applet is a kind of Panel.
    
    
12. _____ The AWT uses the GUI components provided by the operating system, but Swing does not.
    
    
13. _____ Each kind of Component sends its own unique kind of Event.
    
    
14. _____ Every class, even an anonymous one, compiles to a separate .class file.
    
    
15. _____ If Poodle is a subclass of Dog, you can assign a value of type Dog to a variable of type Poodle, but only if you cast it to type Poodle.
    
    
16. _____ If you define a method with the same name as that of an inherited method, it overrides the inherited method.
    
    
17. _____ The result of the expression  1 + 2 + "3"  is the String  "123".
    
    
18. _____ You can use a static field of a class even if you don't have an object of that class.
    
    
19. _____ If jack and john are objects of the same type, then (jack==john) tests whether jack and john have equal values in all fields.
    
    
20. _____ You must supply a run() method for every Thread that you create.

Short answer questions -- 5 points each
Fill in the blanks.

21. In a catch clause, you should print out debugging information. Even if you do nothing else, you should at least call the method named ____________________ .
    
    
22. When writing an Applet, you should never call the paint method; call ____________________ instead.
    
    
23. You don't need a browser in order to use an Applet; you can use the standalone program ____________________.
    
    
24. To arrange Components in a GUI, you use a ____________________.
    
    
25. MVC stands for ______________________________.
    
    
26. A class used to create an object from a primitive, so that the primitive can be used where an object is required, is called a(n) ____________________ class.
    
    
27. You can cause the current Thread to stop doing anything for five seconds by writing the statement ____________________.
    
    
28. A class that implements an interface, but with empty method bodies, is called a(n) ____________________ class.