Question 1

GUI components are placed in a window called JFrame.

Accepted Answer

A) True 
 B)False

Question 2

In Java, data members are also known as fields.

Accepted Answer

A) True 
 B)False

Question 3

Every window has a title, width, and height.

Accepted Answer

A) True 
 B)False

Question 4

The class ActionListener contains only one method, actionEvent.

Accepted Answer

A) True 
 B)False

Question 5

The GridLayout manager arranges GUI components in a list formation.

Accepted Answer

A) True 
 B)False

Question 6

Which class is part of the package java.awt?

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

To display a window, you must invoke the method ____.

Accepted Answer

A)  displayWindow 
B)  show 
C)  setVisible 
D)  setDisplay

Question 9

Write a program that takes as input the pay rate and hours worked of an employee and calculates the pay of the employee.Based on the problem statement above, which of the following would most likely be chosen as the class?

Accepted Answer

A)  Pay_Rate 
B)  Hours_Worked 
C)  Employee 
D)  Pay

Question 10

The height and width of a window are measured in inches.

Accepted Answer

A) True 
 B)False

Question 11

A(n) ____ is a method of a class that is automatically executed when an object of the class is created.

Accepted Answer

A)  inheritance 
B)  package 
C)  constructor 
D)  interface

Question 12

If Shape is a class and you create a new class Rectangle that extends Shape, then Shape is a(n) ____ and Rectangle is a(n) ____.Which word goes in the second blank of the sentence above?

Accepted Answer

A)  subclass 
B)  superclass 
C)  method 
D)  package

Question 13

Given the declaration, Integer x; After executing either of the following two statements, x points to an Integer object with value 8: x = 8;x = new Integer(8);

Accepted Answer

A) True 
 B)False

Question 14

Whenever there is a superclass-subclass relationship, the superclass inherits all data members and methods of the subclass.

Accepted Answer

A) True 
 B)False

Question 15

JTextFields are used to get input, but not show output.

Accepted Answer

A) True 
 B)False

Question 16

In object-oriented design, the verbs in the problem specification can be used to identify the objects in the program.

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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 19

Write a program that takes as input the pay rate and hours worked of an employee and calculates the pay of the employee.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

Question 20

Write a program to input the radius of the base and height of a cylinder, and calculate and print the surface area, volume, and area of the base of the cylinder.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

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

GUI components are placed in a window called JFrame.

In Java, data members are also known as fields.

Every window has a title, width, and height.

The class ActionListener contains only one method, actionEvent.

The GridLayout manager arranges GUI components in a list formation.

Which class is part of the package java.awt?

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

To display a window, you must invoke the method ____.

Write a program that takes as input the pay rate and hours worked of an employee and calculates the pay of the employee.Based on the problem statement above, which of the following would most likely be chosen as the class?

The height and width of a window are measured in inches.

A(n) ____ is a method of a class that is automatically executed when an object of the class is created.

If Shape is a class and you create a new class Rectangle that extends Shape, then Shape is a(n) and Rectangle is a(n) .Which word goes in the second blank of the sentence above?

Given the declaration, Integer x; After executing either of the following two statements, x points to an Integer object with value 8: x = 8;x = new Integer(8);

Whenever there is a superclass-subclass relationship, the superclass inherits all data members and methods of the subclass.

JTextFields are used to get input, but not show output.

In object-oriented design, the verbs in the problem specification can be used to identify the objects in the program.

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

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

Write a program that takes as input the pay rate and hours worked of an employee and calculates the pay of the employee.Based on the problem statement above, which of the following would be a data member?

Write a program to input the radius of the base and height of a cylinder, and calculate and print the surface area, volume, and area of the base of the cylinder.Which words from the problem statement above could we use to determine the operations for this program?