Question 1

Methods that operate on an object's fields are called:

Accepted Answer

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

Question 2

Look at the following statement. import java.util.*;
This is an example of:

Accepted Answer

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

Question 3

Overloading means multiple methods in the same class:

Accepted Answer

A)  have the same name, but different return types 
B)  have different names, but the same parameter list 
C)  have the same name, but different parameter lists 
D)  perform the same function 
A)  have the same name, but different return types 
B)  have different names, but the same parameter list 
C)  have the same name, but different parameter lists 
D)  perform the same function

Question 4

This refers to the combining of data and code into a single object.

Accepted Answer

A)  Data hiding 
B)  Abstraction 
C)  Object 
D)  Encapsulation 
A)  Data hiding 
B)  Abstraction 
C)  Object 
D)  Encapsulation

Question 5

In UML diagrams, this symbol indicates that a member is private:

Accepted Answer

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

Question 6

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

Question 7

A class specifies the ________ and ________ that a particular type of object has.

Accepted Answer

A)  relationships; methods 
B)  fields; object names 
C)  fields; methods 
D)  relationships; object names 
A)  relationships; methods 
B)  fields; object names 
C)  fields; methods 
D)  relationships; object names

Question 8

In your textbook the general layout of a UML diagram is a box that is divided into three sections. The top section has the ________; the middle section holds ________; the bottom section holds ________.

Accepted Answer

A)  class name; attributes or fields; methods 
B)  class name; object name; methods 
C)  object name; attributes or fields; methods 
D)  object name; methods; attributes or fields 
A)  class name; attributes or fields; methods 
B)  class name; object name; methods 
C)  object name; attributes or fields; methods 
D)  object name; methods; attributes or fields

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Quite often you have to use this statement to make a group of classes available to a program.

Accepted Answer

A)  import 
B)  use 
C)  link 
D)  assume 
A)  import 
B)  use 
C)  link 
D)  assume

Question 11

A class in not an object, but a description of an object.

Accepted Answer

A) True 
 B)False

Question 12

This is a group of related classes.

Accepted Answer

A)  archive 
B)  package 
C)  collection 
D)  attachment 
A)  archive 
B)  package 
C)  collection 
D)  attachment

Question 13

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 14

An object can store data.

Accepted Answer

A) True 
 B)False

Question 15

In a UML diagram to indicate the data type of a variable 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 16

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 17

Java allows you to create objects of this 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 18

For the following code, which statement is NOT true?
Public class Circle
{
Private double radius;
Public double x;
Private double y;
}

Accepted Answer

A)  x is available to code that is written outside the Circle class. 
B)  radius is not available to code written outside the Circle class. 
C)  radius, x, and y are called members of the Circle class. 
D)  y is available to code that is written outside the Circle class. 
A)  x is available to code that is written outside the Circle class. 
B)  radius is not available to code written outside the Circle class. 
C)  radius, x, and y are called members of the Circle class. 
D)  y is available to code that is written outside the Circle class.

Question 19

Another term for an object of a class is:

Accepted Answer

A)  access specifier 
B)  instance 
C)  member 
D)  method 
A)  access specifier 
B)  instance 
C)  member 
D)  method

Question 20

The java.lang package is automatically imported into all Java programs.

Accepted Answer

A) True 
 B)False

Methods that operate on an object's fields are called:

Look at the following statement. import java.util.*; This is an example of:

Overloading means multiple methods in the same class:

This refers to the combining of data and code into a single object.

In UML diagrams, this symbol indicates that a member is private:

The scope of a public instance field is:

A class specifies the and that a particular type of object has.

In your textbook the general layout of a UML diagram is a box that is divided into three sections. The top section has the ; the middle section holds ; the bottom section holds .

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

Quite often you have to use this statement to make a group of classes available to a program.

A class in not an object, but a description of an object.

This is a group of related classes.

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

An object can store data.

In a UML diagram to indicate the data type of a variable enter:

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

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

For the following code, which statement is NOT true? Public class Circle { Private double radius; Public double x; Private double y; }

Another term for an object of a class is:

The java.lang package is automatically imported into all Java programs.

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

A First Look at GUI Applications

Advanced GUI Applications

Applets and More

Creating GUI Applications With Javafx and Scene Builder

Recursion

Databases

Filters

Exam 6: A First Look at Classes

Methods that operate on an object's fields are called:

Look at the following statement. import java.util.*; This is an example of:

Overloading means multiple methods in the same class:

This refers to the combining of data and code into a single object.

In UML diagrams, this symbol indicates that a member is private:

The scope of a public instance field is:

A class specifies the ________ and ________ that a particular type of object has.

In your textbook the general layout of a UML diagram is a box that is divided into three sections. The top section has the ________; the middle section holds ________; the bottom section holds ________.

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

Quite often you have to use this statement to make a group of classes available to a program.

A class in not an object, but a description of an object.

This is a group of related classes.

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

An object can store data.

In a UML diagram to indicate the data type of a variable enter:

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

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

For the following code, which statement is NOT true? Public class Circle { Private double radius; Public double x; Private double y; }

Another term for an object of a class is:

The java.lang package is automatically imported into all Java programs.

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

A First Look at GUI Applications

Advanced GUI Applications

Applets and More

Creating GUI Applications With Javafx and Scene Builder

Recursion

Databases

Filters

A class specifies the and that a particular type of object has.

In your textbook the general layout of a UML diagram is a box that is divided into three sections. The top section has the ; the middle section holds ; the bottom section holds .