Question 1

What is Javadoc?

Accepted Answer

Javadoc is a tool to

Question 2

Which of the following statements regarding the default initial value of instance variables byte and boolean is correct?

Accepted Answer

A)  The instance variable byte is treated like the variable float, whereas boolean is given the same value as double. 
B)  Like byte, boolean is given the value of null. 
C)  Numeric variables such as boolean are given the value of 0 and byte variables are given the value false. 
D)  Numeric variables such as byte are given the value of 0 and boolean variables are given the value false. 
A)  The instance variable byte is treated like the variable float, whereas boolean is given the same value as double. 
B)  Like byte, boolean is given the value of null. 
C)  Numeric variables such as boolean are given the value of 0 and byte variables are given the value false. 
D)  Numeric variables such as byte are given the value of 0 and boolean variables are given the value false.

Question 3

Name duplication is when a file with the same name as a file you are trying to use already exists.

Accepted Answer

A) True 
 B)False

Question 4

The access modifier of constructors should be __________.

Accepted Answer

The answer of The access modifier of constructors should be...

Question 5

The enum functionality is built into java.lang, so we must use an import statement to define enum types.

Accepted Answer

A) True 
 B)False

Question 6

If the return type of the method is void, as in main, there is no need for a return statement. Given that control automatically returns to the caller when the end of the method is reached, most programmers omit the return statement in void methods.

Accepted Answer

A) True 
 B)False

Question 7

A _____________ is a collection of related classes that can be imported into programs.

Accepted Answer

A)  package 
B)  name program 
C)  valueOf method 
D)  main method 
A)  package 
B)  name program 
C)  valueOf method 
D)  main method

Question 8

Which of the following is a correct class name?

Accepted Answer

A)  Execute 
B)  String 
C)  math 
D)  add 
A)  Execute 
B)  String 
C)  math 
D)  add

Question 9

How does a method know for which object the method was called?

Accepted Answer

A)  Any instance variable referred to by a method is considered to be declared to the object. 
B)  JVM sets the object reference, setName, to refer to the object for which the method has been called. 
C)  JVM sets the object reference, this, to refer to the object for which the method has been called. 
D)  None of these is correct. 
A)  Any instance variable referred to by a method is considered to be declared to the object. 
B)  JVM sets the object reference, setName, to refer to the object for which the method has been called. 
C)  JVM sets the object reference, this, to refer to the object for which the method has been called. 
D)  None of these is correct.

Question 10

Which of the following is not one of the criteria for a well-defined class?

Accepted Answer

A)  The class should be easy to understand and use. 
B)  The class documentation should be clear, easy to understand, and complete. 
C)  The class documentation should represent the class well. 
D)  All of these are criteria for a well-defined class. 
A)  The class should be easy to understand and use. 
B)  The class documentation should be clear, easy to understand, and complete. 
C)  The class documentation should represent the class well. 
D)  All of these are criteria for a well-defined class.

Question 11

Declaring a variable with the same name as the parameter of a method inside the method body will not have any effect.

Accepted Answer

A) True 
 B)False

Question 12

We can define class variables using the keyword __________.

Accepted Answer

The answer of We can define class variables using the...

Question 13

What is an advantage of returning the reference this for several methods-for example, mutators?

Accepted Answer

Method cal

Question 14

Construct a method in which you could omit the return expression.

Accepted Answer

Answers will vary; t

Question 15

In the class header public class TV, public is the access modifier and TV is the name of the class.

Accepted Answer

A) True 
 B)False

Question 16

Methods that are defined to be non-static are subject to which of the following important restrictions?

Accepted Answer

A)  Can reference only static variables 
B)  Cannot use the object reference this 
C)  Both reference only static variables and not use the object reference this 
D)  None of these is correct. 
A)  Can reference only static variables 
B)  Cannot use the object reference this 
C)  Both reference only static variables and not use the object reference this 
D)  None of these is correct.

Question 17

A javadoc comment starts with:

Accepted Answer

A)  //. 
B)  /*. 
C)  /**. 
D)  */. 
A)  //. 
B)  /*. 
C)  /**. 
D)  */.

Question 18

Compare and contrast methods with instance variables.

Accepted Answer

Answers could include: The method caller

Question 19

When we initialize an enum type, we use String literals.

Accepted Answer

A) True 
 B)False

Question 20

static methods can use the object reference this.

Accepted Answer

A) True 
 B)False

What is Javadoc?

Which of the following statements regarding the default initial value of instance variables byte and boolean is correct?

Name duplication is when a file with the same name as a file you are trying to use already exists.

The access modifier of constructors should be __________.

The enum functionality is built into java.lang, so we must use an import statement to define enum types.

If the return type of the method is void, as in main, there is no need for a return statement. Given that control automatically returns to the caller when the end of the method is reached, most programmers omit the return statement in void methods.

A _____________ is a collection of related classes that can be imported into programs.

Which of the following is a correct class name?

How does a method know for which object the method was called?

Which of the following is not one of the criteria for a well-defined class?

Declaring a variable with the same name as the parameter of a method inside the method body will not have any effect.

We can define class variables using the keyword __________.

What is an advantage of returning the reference this for several methods-for example, mutators?

Construct a method in which you could omit the return expression.

In the class header public class TV, public is the access modifier and TV is the name of the class.

Methods that are defined to be non-static are subject to which of the following important restrictions?

A javadoc comment starts with:

Compare and contrast methods with instance variables.

When we initialize an enum type, we use String literals.

static methods can use the object reference this.

Introduction to Programming and the Java Language

Programming Building Blocks- Java Basics

Object-Oriented Programming, Part 1: Using Classes

Introduction to Graphical Applications

Flow of Control, Part 1: Selection

Flow of Control, Part 2: Looping

Single-Dimensional Arrays

Multidimensional Arrays and the Arraylist Class

Object-Oriented Programming, Part 3: Inheritance, Polymorphism, and Interfaces

Exceptions, and Input Output Operations

Graphical User Interfaces Using Java FX

Recursion

An Introduction to Data Structures

Running Time Analysis

RGB Colors, Decimal Conversion, Java Naming, and Random Number Generation

Filters

Exam 7: Object-Oriented Programming, Part 2: User-Defined Classes

What is Javadoc?

Which of the following statements regarding the default initial value of instance variables byte and boolean is correct?

Name duplication is when a file with the same name as a file you are trying to use already exists.

The access modifier of constructors should be __________.

The enum functionality is built into java.lang, so we must use an import statement to define enum types.

If the return type of the method is void, as in main, there is no need for a return statement. Given that control automatically returns to the caller when the end of the method is reached, most programmers omit the return statement in void methods.

A _____________ is a collection of related classes that can be imported into programs.

Which of the following is a correct class name?

How does a method know for which object the method was called?

Which of the following is not one of the criteria for a well-defined class?

Declaring a variable with the same name as the parameter of a method inside the method body will not have any effect.

We can define class variables using the keyword __________.

What is an advantage of returning the reference this for several methods-for example, mutators?

Construct a method in which you could omit the return expression.

In the class header public class TV, public is the access modifier and TV is the name of the class.

Methods that are defined to be non-static are subject to which of the following important restrictions?

A javadoc comment starts with:

Compare and contrast methods with instance variables.

When we initialize an enum type, we use String literals.

static methods can use the object reference this.

Introduction to Programming and the Java Language

Programming Building Blocks- Java Basics

Object-Oriented Programming, Part 1: Using Classes

Introduction to Graphical Applications

Flow of Control, Part 1: Selection

Flow of Control, Part 2: Looping

Single-Dimensional Arrays

Multidimensional Arrays and the Arraylist Class

Object-Oriented Programming, Part 3: Inheritance, Polymorphism, and Interfaces

Exceptions, and Input Output Operations

Graphical User Interfaces Using Java FX

Recursion

An Introduction to Data Structures

Running Time Analysis

RGB Colors, Decimal Conversion, Java Naming, and Random Number Generation

Filters