Abstract class: An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed. Interface: Interface is a reference type in Java, which contains a collection of abstract methods. An interface needs to follow certain conditions such as: One cannot instantiate an interface. Interfaces do not contain any constructors. All methods present in the interface are abstract. An interface does not contain any instance field. An interface cannot be extended by a class. Given code: //interface declaration interface A { //declaration of function void print() { }; }

Question

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Answer 1

Question

Chapter 13.5, Problem 13.5.3CP

a)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

void print() { };

}

b)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

abstract void print() { };

}

c)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

print() { };

}

d)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

Void print();

}

e)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

default void print() { }

}

f)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

    //declaration of static function

    static int get

  {

        //return value

        return 0;

     }

//Close interface

}

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Answer 2

Question

Chapter 13.5, Problem 13.5.3CP

a)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

void print() { };

}

b)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

abstract void print() { };

}

c)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

print() { };

}

d)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

Void print();

}

e)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

default void print() { }

}

f)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

    //declaration of static function

    static int get

  {

        //return value

        return 0;

     }

//Close interface

}

Expert Solution & Answer

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Answer 3

Question

Chapter 13.5, Problem 13.5.3CP

a)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

void print() { };

}

b)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

abstract void print() { };

}

c)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

print() { };

}

d)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

Void print();

}

e)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

default void print() { }

}

f)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

    //declaration of static function

    static int get

  {

        //return value

        return 0;

     }

//Close interface

}

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 13.5, Problem 13.5.3CP

a)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

void print() { };

}

b)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

abstract void print() { };

}

c)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

print() { };

}

d)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

Void print();

}

e)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

default void print() { }

}

f)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

    //declaration of static function

    static int get

  {

        //return value

        return 0;

     }

//Close interface

}

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 13.5, Problem 13.5.3CP

a)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

void print() { };

}

b)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

abstract void print() { };

}

c)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

print() { };

}

d)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

Void print();

}

e)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

default void print() { }

}

f)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

    //declaration of static function

    static int get

  {

        //return value

        return 0;

     }

//Close interface

}

Answer 6

Chapter 13.5, Problem 13.5.3CP

a)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

void print() { };

}

Answer 7

Chapter 13.5, Problem 13.5.3CP

a)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

void print() { };

}

Answer 8

b)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

abstract void print() { };

}

Answer 9

b)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

abstract void print() { };

}

Answer 10

c)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

print() { };

}

Answer 11

c)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

abstract interface A

{

//declaration of function

print() { };

}

Answer 12

d)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

Void print();

}

Answer 13

d)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

Void print();

}

Answer 14

e)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

default void print() { }

}

Answer 15

e)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

//declaration of function

default void print() { }

}

Answer 16

f)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

    //declaration of static function

    static int get

  {

        //return value

        return 0;

     }

//Close interface

}

Answer 17

f)

Program Plan Intro

Abstract class:

An abstract class is a class which may or may not include abstract methods and cannot be instantiated but rather can be sub classed.

Interface:

Interface is a reference type in Java, which contains a collection of abstract methods.

An interface needs to follow certain conditions such as:

One cannot instantiate an interface.

Interfaces do not contain any constructors.

All methods present in the interface are abstract.

An interface does not contain any instance field.

An interface cannot be extended by a class.

Given code:

//interface declaration

interface A

{

    //declaration of static function

    static int get

  {

        //return value

        return 0;

     }

//Close interface

}

Answer 18

Expert Solution & Answer

Answer 19

Expert Solution & Answer

Answer 20

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Check out a sample textbook solution

See solution

Answer 21

Ch. 13.2 - Prob. 13.2.1CP Ch. 13.2 - The getArea() and getPerimeter() methods may be...Ch. 13.2 - True or false? a.An abstract class can be used...Ch. 13.3 - Prob. 13.3.1CP Ch. 13.3 - Prob. 13.3.2CP Ch. 13.3 - Prob. 13.3.3CP Ch. 13.3 - What is wrong in the following code? (Note the...Ch. 13.3 - What is wrong in the following code? public class...Ch. 13.4 - Can you create a Calendar object using the...Ch. 13.4 - Prob. 13.4.2CP

Solution Summary: The author explains that an abstract class is a class which may or may not include abstract methods and cannot be instantiated but can be sub classed.

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Chapter 13 Solutions