Question 1

What is data abstraction?

Accepted Answer

A data abstraction is a design principle that separates the operations that can be performed on a collection of data from the implementation of the operations.

Question 2

Which of the following is true about a constructor in Java?

Accepted Answer

A) all constructors have a return type of void 
B) a constructor cannot have parameters 
C) a constructor has the same name as the class 
D) a class can only have a single constructor 
A) all constructors have a return type of void 
B) a constructor cannot have parameters 
C) a constructor has the same name as the class 
D) a class can only have a single constructor C

Question 3

By default,all members in a class are public.

Accepted Answer

A) True 
 B)False  False

Question 4

What is a constructor?

Accepted Answer

A constructor is a m

Question 5

According to the principle of information hiding,a module should be completely isolated from other modules.

Accepted Answer

A) True 
 B)False

Question 6

What feature of Java allows you to enforce information hiding when you define a class such as an ADT?

Accepted Answer

You can declare the

Question 7

An application can use the operations of an ADT without knowing how the ADT is implemented.

Accepted Answer

A) True 
 B)False

Question 8

All the items in a list must be of the same data type.

Accepted Answer

A) True 
 B)False

Question 9

Do all Java source files define classes? Explain.

Accepted Answer

No.Sometimes a Java

Question 10

What are some of the benefits of modularity?

Accepted Answer

A modular problem is easier to

Question 11

The items in the ADT list are referenced by ______.

Accepted Answer

A) name 
B) value 
C) position number 
D) position name 
A) name 
B) value 
C) position number 
D) position name

Question 12

An ADT's operations are known as its ______.

Accepted Answer

A) axioms 
B) methods 
C) variables 
D) interfaces 
A) axioms 
B) methods 
C) variables 
D) interfaces

Question 13

Give three examples of ADT operations that ask questions about the data in a collection.

Accepted Answer

isEmpty( )

Question 14

A(n)______ is an instance of a class.

Accepted Answer

A) method 
B) data field 
C) interface 
D) object 
A) method 
B) data field 
C) interface 
D) object

Question 15

What is an abstract data type (ADT)?

Accepted Answer

An ADT is a collecti

Question 16

A program that uses an ADT is called a(n)______.

Accepted Answer

A) data structure 
B) interface 
C) axiom 
D) client 
A) data structure 
B) interface 
C) axiom 
D) client

Question 17

In Java,a class can extend ______.

Accepted Answer

A) at most 1 class 
B) at most 16 classes 
C) at most 32 classes 
D) as many classes as required 
A) at most 1 class 
B) at most 16 classes 
C) at most 32 classes 
D) as many classes as required

Question 18

If an ADT list is implemented as an array,why would it be necessary for the ADT operations to "shift" elements?

Accepted Answer

When we want to insert a value in betwee

Question 19

A class contains methods and ______.

Accepted Answer

A) clients 
B) interfaces 
C) data fields 
D) data structures 
A) clients 
B) interfaces 
C) data fields 
D) data structures

Question 20

What is the difference between the physical size and the logical size of an array?

Accepted Answer

The physical size of an array

What is data abstraction?

Which of the following is true about a constructor in Java?

By default,all members in a class are public.

What is a constructor?

According to the principle of information hiding,a module should be completely isolated from other modules.

What feature of Java allows you to enforce information hiding when you define a class such as an ADT?

An application can use the operations of an ADT without knowing how the ADT is implemented.

All the items in a list must be of the same data type.

Do all Java source files define classes? Explain.

What are some of the benefits of modularity?

The items in the ADT list are referenced by ______.

An ADT's operations are known as its ______.

Give three examples of ADT operations that ask questions about the data in a collection.

A(n)______ is an instance of a class.

What is an abstract data type (ADT)?

A program that uses an ADT is called a(n)______.

In Java,a class can extend ______.

If an ADT list is implemented as an array,why would it be necessary for the ADT operations to "shift" elements?

A class contains methods and ______.

What is the difference between the physical size and the logical size of an array?

Review of Java Fundamentals

Principles of Programming and Software Engineering

Recursion: the Mirrors

Linked Lists

Problem Solving With Abstract Data Types

Stacks

Queues

Advanced Java Topics

Algorithm Efficiency and Sorting

Trees

Tables and Priority Queues

Advanced Implementations of Tables

Graphs

External Methods

Filters

Exam 4: Data Abstraction: The Walls

What is data abstraction?

Which of the following is true about a constructor in Java?

By default,all members in a class are public.

What is a constructor?

According to the principle of information hiding,a module should be completely isolated from other modules.

What feature of Java allows you to enforce information hiding when you define a class such as an ADT?

An application can use the operations of an ADT without knowing how the ADT is implemented.

All the items in a list must be of the same data type.

Do all Java source files define classes? Explain.

What are some of the benefits of modularity?

The items in the ADT list are referenced by ______.

An ADT's operations are known as its ______.

Give three examples of ADT operations that ask questions about the data in a collection.

A(n)______ is an instance of a class.

What is an abstract data type (ADT)?

A program that uses an ADT is called a(n)______.

In Java,a class can extend ______.

If an ADT list is implemented as an array,why would it be necessary for the ADT operations to "shift" elements?

A class contains methods and ______.

What is the difference between the physical size and the logical size of an array?

Review of Java Fundamentals

Principles of Programming and Software Engineering

Recursion: the Mirrors

Linked Lists

Problem Solving With Abstract Data Types

Stacks

Queues

Advanced Java Topics

Algorithm Efficiency and Sorting

Trees

Tables and Priority Queues

Advanced Implementations of Tables

Graphs

External Methods

Filters