Need help with java homework.

1. What is the name for a method that responds to events?

A. Call by Parameter

B. Call by Object

C. Call by Value

D. All of the above

2. What is the name for a method that responds to events?

A. A container method

B. A listener method

C. An application method

D. A snoop method

3. The following is a definition of an abstract class Book using Java.

abstract class Book {

String title;

abstract void setTitle(String s);

String getTitle() {

return title;

}

}

What occurs when the following line of code is compiled?

Book novel = new Book();

A. A new Book is instantiated

B. A compiler warning

C. A compiler error

D. Nothing

4. Fill in the blanks so that this program displays a Java GUI frame:

public class MyFrame { public static void main ( String [] args ) {

JFrame frame = new _________( My JFrame );

frame.___________( 150, 150 );

frame.___________( true );

}

}

A. JFrame, setVisible, setSize

B. JWindow, setSize, paint

C. JForm, setVisible, setOn

D. JFrame, setSize, setVisible