Question 1

The public access specifier for a field indicates that the field may not be accessed by statements outside the class.

Accepted Answer

A) True 
 B)False  False

Question 2

The scope of a public instance field is __________.

Accepted Answer

A)  only the class in which it is defined 
B)  inside the class but not inside any method 
C)  inside the parentheses of a method header 
D)  the instance methods and methods outside the class 
A)  only the class in which it is defined 
B)  inside the class but not inside any method 
C)  inside the parentheses of a method header 
D)  the instance methods and methods outside the class D

Question 3

An object can store data.

Accepted Answer

A) True 
 B)False  True

Question 4

The __________ package is automatically imported into all Java programs.

Accepted Answer

A)  java.java 
B)  java.default 
C)  java.util 
D)  java.lang 
A)  java.java 
B)  java.default 
C)  java.util 
D)  java.lang

Question 5

Methods that operate on an object's fields are called __________.

Accepted Answer

A)  instance methods 
B)  instance variables 
C)  private methods 
D)  public methods 
A)  instance methods 
B)  instance variables 
C)  private methods 
D)  public methods

Question 6

The following statement is an example of __________.
 import java.util.*;

Accepted Answer

A)  an explicit import statement 
B)  an unconditional import statement 
C)  a wildcard import statement 
D)  a conditional import statement 
A)  an explicit import statement 
B)  an unconditional import statement 
C)  a wildcard import statement 
D)  a conditional import statement

Question 7

Which symbol indicates that a member is public in a UML diagram?

Accepted Answer

A)  - 
B)  * 
C)  # 
D)  + 
A)  - 
B)  * 
C)  # 
D)  +

Question 8

When a local variable in an instance method has the same name as an instance field, the instance field hides the local variable.

Accepted Answer

A) True 
 B)False

Question 9

A method that stores a value in a class's field or in some other way changes the value of a field is known as a mutator method.

Accepted Answer

A) True 
 B)False

Question 10

Two or more methods in a class may have the same name as long as __________.

Accepted Answer

A)  they have different return types 
B)  they have different parameter lists 
C)  they have different return types but the same parameter list 
D)  You cannot have two methods with the same name. 
A)  they have different return types 
B)  they have different parameter lists 
C)  they have different return types but the same parameter list 
D)  You cannot have two methods with the same name.

Question 11

Which of the following statements will create a reference, str, to the String "Hello, World"?

Accepted Answer

A)  String str = "Hello, World"; 
B)  string str = "Hello, World"; 
C)  String str = new "Hello, World"; 
D)  str = "Hello, World"; 
A)  String str = "Hello, World"; 
B)  string str = "Hello, World"; 
C)  String str = new "Hello, World"; 
D)  str = "Hello, World";

Question 12

The term "no-arg constructor" is applied to any constructor that does not accept arguments.

Accepted Answer

A) True 
 B)False

Question 13

After the header, the body of the method appears inside a set of __________.

Accepted Answer

A)  braces, { } 
B)  parentheses, ( ) 
C)  brackets, [ ] 
D)  double quotes, " " 
A)  braces, { } 
B)  parentheses, ( ) 
C)  brackets, [ ] 
D)  double quotes, " "

Question 14

When you work with a __________, you are using a storage location that holds a piece of data.

Accepted Answer

A)  primitive variable 
B)  reference variable 
C)  numeric literal 
D)  binary number 
A)  primitive variable 
B)  reference variable 
C)  numeric literal 
D)  binary number

Question 15

A UML diagram does not contain __________.

Accepted Answer

A)  the class name 
B)  the method names 
C)  the field names 
D)  the object names 
A)  the class name 
B)  the method names 
C)  the field names 
D)  the object names

Question 16

What does the following UML diagram entry mean? + setHeight(h : double) : void

Accepted Answer

A)  a public method with a parameter of data type double that does not return a value 
B)  a private field called setHeight that is a double data type 
C)  a private method with no parameters that returns a double data type 
D)  a public field called setHeight that is a double data type 
A)  a public method with a parameter of data type double that does not return a value 
B)  a private field called setHeight that is a double data type 
C)  a private method with no parameters that returns a double data type 
D)  a public field called setHeight that is a double data type

Question 17

To indicate the data type of a variable in a UML diagram, you enter __________.

Accepted Answer

A)  the variable name followed by the data type 
B)  the variable name followed by a colon and the data type 
C)  the class name followed by the variable name followed by the data type 
D)  the data type followed by the variable name 
A)  the variable name followed by the data type 
B)  the variable name followed by a colon and the data type 
C)  the class name followed by the variable name followed by the data type 
D)  the data type followed by the variable name

Question 18

For the following code, which statement is not true?
 public class Sphere
{
Private double radius;
Public double x;
Private double y;
Private double z;
}

Accepted Answer

A)  The z field is available to code written outside the Sphere class. 
B)  The radius field is not available to code written outside the Sphere class. 
C)  The radius, x, y, and z fields are members of the Sphere class. 
D)  The x field is available to code that is written outside the Sphere class. 
A)  The z field is available to code written outside the Sphere class. 
B)  The radius field is not available to code written outside the Sphere class. 
C)  The radius, x, y, and z fields are members of the Sphere class. 
D)  The x field is available to code that is written outside the Sphere class.

Question 19

Java allows you to create objects of the __________ class in the same way you would create primitive variables.

Accepted Answer

A)  Random 
B)  String 
C)  PrintWriter 
D)  Scanner 
A)  Random 
B)  String 
C)  PrintWriter 
D)  Scanner

Question 20

A constructor __________.

Accepted Answer

A)  always accepts two arguments 
B)  has the same name as the class 
C)  has the return type of void 
D)  always has a private access specifier 
A)  always accepts two arguments 
B)  has the same name as the class 
C)  has the return type of void 
D)  always has a private access specifier

The public access specifier for a field indicates that the field may not be accessed by statements outside the class.

The scope of a public instance field is __________.

An object can store data.

The __________ package is automatically imported into all Java programs.

Methods that operate on an object's fields are called __________.

The following statement is an example of __________. import java.util.*;

Which symbol indicates that a member is public in a UML diagram?

When a local variable in an instance method has the same name as an instance field, the instance field hides the local variable.

A method that stores a value in a class's field or in some other way changes the value of a field is known as a mutator method.

Two or more methods in a class may have the same name as long as __________.

Which of the following statements will create a reference, str, to the String "Hello, World"?

The term "no-arg constructor" is applied to any constructor that does not accept arguments.

After the header, the body of the method appears inside a set of __________.

When you work with a __________, you are using a storage location that holds a piece of data.

A UML diagram does not contain __________.

What does the following UML diagram entry mean? + setHeight(h : double) : void

To indicate the data type of a variable in a UML diagram, you enter __________.

For the following code, which statement is not true? public class Sphere { Private double radius; Public double x; Private double y; Private double z; }

Java allows you to create objects of the __________ class in the same way you would create primitive variables.

A constructor __________.

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

Methods

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters

Exam 6: A First Look at Classes

The public access specifier for a field indicates that the field may not be accessed by statements outside the class.

The scope of a public instance field is __________.

An object can store data.

The __________ package is automatically imported into all Java programs.

Methods that operate on an object's fields are called __________.

The following statement is an example of __________. import java.util.*;

Which symbol indicates that a member is public in a UML diagram?

When a local variable in an instance method has the same name as an instance field, the instance field hides the local variable.

A method that stores a value in a class's field or in some other way changes the value of a field is known as a mutator method.

Two or more methods in a class may have the same name as long as __________.

Which of the following statements will create a reference, str, to the String "Hello, World"?

The term "no-arg constructor" is applied to any constructor that does not accept arguments.

After the header, the body of the method appears inside a set of __________.

When you work with a __________, you are using a storage location that holds a piece of data.

A UML diagram does not contain __________.

What does the following UML diagram entry mean? + setHeight(h : double) : void

To indicate the data type of a variable in a UML diagram, you enter __________.

For the following code, which statement is not true? public class Sphere { Private double radius; Public double x; Private double y; Private double z; }

Java allows you to create objects of the __________ class in the same way you would create primitive variables.

A constructor __________.

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

Methods

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters