Question 1

One can generate random numbers using the ___________ class.

Accepted Answer

Random

Question 2

The identifier of the object is called the:

Accepted Answer

A)  instance variable. 
B)  instantiating object. 
C)  object reference. 
D)  instance of the class. 
A)  instance variable. 
B)  instantiating object. 
C)  object reference. 
D)  instance of the class. C

Question 3

In Math.abs( -5 ), abs is a static method.

Accepted Answer

A) True 
 B)False  True

Question 4

What is the relationship between an object and a class?

Accepted Answer

A)  An object is used to debug a class. 
B)  A class describes a generic template for creating, or instantiating, objects. 
C)  A class can refer to any object of its object reference. 
D)  Object diagrams can refer to any object of its class. 
A)  An object is used to debug a class. 
B)  A class describes a generic template for creating, or instantiating, objects. 
C)  A class can refer to any object of its object reference. 
D)  Object diagrams can refer to any object of its class.

Question 5

Object references can refer to any object of its class.

Accepted Answer

A) True 
 B)False

Question 6

Give one reason you would use the NumberFormat class.

Accepted Answer

To format

Question 7

E and PI are two static data members of the Math class.

Accepted Answer

A) True 
 B)False

Question 8

In which package is the class NumberFormat?

Accepted Answer

A)  java.lang 
B)  java.number 
C)  java.format 
D)  java.text 
E)  java.util 
A)  java.lang 
B)  java.number 
C)  java.format 
D)  java.text 
E)  java.util

Question 9

What keyword is used when instantiating an object?

Accepted Answer

A)  Create 
B)  = 
C)  new 
D)  Object 
E)  is 
A)  Create 
B)  = 
C)  new 
D)  Object 
E)  is

Question 10

We can instantiate an object from the NumberFormat class using the new keyword.

Accepted Answer

A) True 
 B)False

Question 11

In which package is the class Math?

Accepted Answer

A)  java.lang 
B)  java.number 
C)  java.math 
D)  java.text 
E)  java.util 
A)  java.lang 
B)  java.number 
C)  java.math 
D)  java.text 
E)  java.util

Question 12

Java does not provide support for explicitly deleting an object.

Accepted Answer

A) True 
 B)False

Question 13

What does the following code do?
String s = "Hello";
s = s.toUpperCase( );

Accepted Answer

It convert

Question 14

The System class is in the java.lang package.

Accepted Answer

A) True 
 B)False

Question 15

The wrapper class for char is Char.

Accepted Answer

A) True 
 B)False

Question 16

DaysOffWork ( ) a default constructor because its parameter list is empty.

Accepted Answer

A) True 
 B)False

Question 17

Computers are deterministic, so given a specific input to a specific set of instructions, a computer will always produce the same output.

Accepted Answer

A) True 
 B)False

Question 18

The API of class methods has the keyword __________ before the return type.

Accepted Answer

The answer of The API of class methods has the...

Question 19

The argument list of a constructor consists of a comma-separated list of initial data values to assign to the object.

Accepted Answer

A) True 
 B)False

Question 20

The operations for a class are called __________.

Accepted Answer

The answer of The operations for a class are called...

One can generate random numbers using the ___________ class.

The identifier of the object is called the:

In Math.abs( -5 ), abs is a static method.

What is the relationship between an object and a class?

Object references can refer to any object of its class.

Give one reason you would use the NumberFormat class.

E and PI are two static data members of the Math class.

In which package is the class NumberFormat?

What keyword is used when instantiating an object?

We can instantiate an object from the NumberFormat class using the new keyword.

In which package is the class Math?

Java does not provide support for explicitly deleting an object.

What does the following code do? String s = "Hello"; s = s.toUpperCase( );

The System class is in the java.lang package.

The wrapper class for char is Char.

DaysOffWork ( ) a default constructor because its parameter list is empty.

Computers are deterministic, so given a specific input to a specific set of instructions, a computer will always produce the same output.

The API of class methods has the keyword __________ before the return type.

The argument list of a constructor consists of a comma-separated list of initial data values to assign to the object.

The operations for a class are called __________.

Introduction to Programming and the Java Language

Programming Building Blocks- Java Basics

Introduction to Graphical Applications

Flow of Control, Part 1: Selection

Flow of Control, Part 2: Looping

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

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 3: Object-Oriented Programming, Part 1: Using Classes

One can generate random numbers using the ___________ class.

The identifier of the object is called the:

In Math.abs( -5 ), abs is a static method.

What is the relationship between an object and a class?

Object references can refer to any object of its class.

Give one reason you would use the NumberFormat class.

E and PI are two static data members of the Math class.

In which package is the class NumberFormat?

What keyword is used when instantiating an object?

We can instantiate an object from the NumberFormat class using the new keyword.

In which package is the class Math?

Java does not provide support for explicitly deleting an object.

What does the following code do? String s = "Hello"; s = s.toUpperCase( );

The System class is in the java.lang package.

The wrapper class for char is Char.

DaysOffWork ( ) a default constructor because its parameter list is empty.

Computers are deterministic, so given a specific input to a specific set of instructions, a computer will always produce the same output.

The API of class methods has the keyword __________ before the return type.

The argument list of a constructor consists of a comma-separated list of initial data values to assign to the object.

The operations for a class are called __________.

Introduction to Programming and the Java Language

Programming Building Blocks- Java Basics

Introduction to Graphical Applications

Flow of Control, Part 1: Selection

Flow of Control, Part 2: Looping

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

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