Question 1

-Which of the following from the window above is a JButton?

Accepted Answer

A)   Calculate
B)   Exit
C)   Both Calculate and Exit
D)   Perimeter C

Question 2

To create a window, which of the following classes has to be extended?

Accepted Answer

A)   Container
B)   JFrame
C)   JButton
D)   JTextField B

Question 3

If lengthTF is a JTextField and pane is a container, then the statement pane.add(lengthTF); adds the text field to the content pane of a window.

Accepted Answer

A) True 
 B)False  True

Question 4

Which words from the problem statement above could we use to determine the operations for this program?

Accepted Answer

A)   input, calculate, print
B)   cylinder, program, volume
C)   height, cylinder, radius
D)   radius, cylinder, print

Question 5

The class Container is included in the package java.awt.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following methods is NOT part of the class JFrame?

Accepted Answer

A)   setVisible
B)   setSize
C)   setTitle
D)   getText

Question 7

Given the declaration, Integer num; The statement num = 8; is known as autoboxing of int type.

Accepted Answer

A) True 
 B)False

Question 8

In Java, there is one way to make an application program create a window.

Accepted Answer

A) True 
 B)False

Question 9

Which method contains the code that the program executes when a specific event is generated?

Accepted Answer

A)   buttonListener
B)   GUIListener
C)   actionPerformed
D)   windowListener

Question 10

Which of the following sets the window width to 100 pixels and the height to 200 pixels?

Accepted Answer

A)   setSize(100, 200) ;
B)   setSize(200, 100) ;
C)   setDims(100, 200) ;
D)   set(200, 100) ;

Question 11

The class JFrame contains the method setSize.

Accepted Answer

A) True 
 B)False

Question 12

GUI components are placed in a window called JFrame.

Accepted Answer

A) True 
 B)False

Question 13

The method getContentPane of the class JFrame is used to access the content pane of the window.

Accepted Answer

A) True 
 B)False

Question 14

The class ActionListener contains only one method, actionEvent.

Accepted Answer

A) True 
 B)False

Question 15

In object-oriented design, the nouns found in the problem specification can be used to select the operations in the program.

Accepted Answer

A) True 
 B)False

Question 16

Which package will you most likely have to import in order to write a GUI program?

Accepted Answer

A)   java.awt.*
B)   java.io.*
C)   java.text.*
D)   java.net.*

Question 17

What is the name for Java classes that are provided so that values of primitive data types can be treated as objects?

Accepted Answer

A)   interfaces
B)   extensions
C)   wrappers
D)   event handlers

Question 18

Every window has a title, width, and height.

Accepted Answer

A) True 
 B)False

Question 19

An interface is a class that contains only the method headings and each method heading is terminated with a semicolon.

Accepted Answer

A) True 
 B)False

Question 20

Based on the problem statement above, which of the following would be a data member?

Accepted Answer

A)   hoursWorked
B)   employee
C)   pay
D)   job

Exam 6: Graphical User Interface Gui and Object-Oriented Design OOD

-Which of the following from the window above is a JButton?

To create a window, which of the following classes has to be extended?

If lengthTF is a JTextField and pane is a container, then the statement pane.add(lengthTF); adds the text field to the content pane of a window.

Which words from the problem statement above could we use to determine the operations for this program?

The class Container is included in the package java.awt.

Which of the following methods is NOT part of the class JFrame?

Given the declaration, Integer num; The statement num = 8; is known as autoboxing of int type.

In Java, there is one way to make an application program create a window.

Which method contains the code that the program executes when a specific event is generated?

Which of the following sets the window width to 100 pixels and the height to 200 pixels?

The class JFrame contains the method setSize.

GUI components are placed in a window called JFrame.

The method getContentPane of the class JFrame is used to access the content pane of the window.

The class ActionListener contains only one method, actionEvent.

In object-oriented design, the nouns found in the problem specification can be used to select the operations in the program.

Which package will you most likely have to import in order to write a GUI program?

What is the name for Java classes that are provided so that values of primitive data types can be treated as objects?

Every window has a title, width, and height.

An interface is a class that contains only the method headings and each method heading is terminated with a semicolon.

Based on the problem statement above, which of the following would be a data member?