Class: A class defines the characteristics and behavior of an object. Any concept implemented in a java program is encapsulated within a class. It defines the number of variables and methods of objects that share common characteristics. 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 abstracts. An interface does not contain an instance field.

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Answer 1

Question

Chapter 18.1, Problem 18.1CP

Program Plan Intro

Class:

A class defines the characteristics and behavior of an object.

Any concept implemented in a java program is encapsulated within a class.

It defines the number of variables and methods of objects that share common characteristics.

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 abstracts.

An interface does not contain an instance field.

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Answer 2

Question

Chapter 18.1, Problem 18.1CP

Program Plan Intro

Class:

A class defines the characteristics and behavior of an object.

Any concept implemented in a java program is encapsulated within a class.

It defines the number of variables and methods of objects that share common characteristics.

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 abstracts.

An interface does not contain an instance field.

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Answer 3

Question

Chapter 18.1, Problem 18.1CP

Program Plan Intro

Class:

A class defines the characteristics and behavior of an object.

Any concept implemented in a java program is encapsulated within a class.

It defines the number of variables and methods of objects that share common characteristics.

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 abstracts.

An interface does not contain an instance field.

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Answer 4

Question

Chapter 18.1, Problem 18.1CP

Program Plan Intro

Class:

A class defines the characteristics and behavior of an object.

Any concept implemented in a java program is encapsulated within a class.

It defines the number of variables and methods of objects that share common characteristics.

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 abstracts.

An interface does not contain an instance field.

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Answer 5

Chapter 18.1, Problem 18.1CP

Program Plan Intro

Class:

A class defines the characteristics and behavior of an object.

Any concept implemented in a java program is encapsulated within a class.

It defines the number of variables and methods of objects that share common characteristics.

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 abstracts.

An interface does not contain an instance field.

Answer 6

Chapter 18.1, Problem 18.1CP

Program Plan Intro

Class:

A class defines the characteristics and behavior of an object.

Any concept implemented in a java program is encapsulated within a class.

It defines the number of variables and methods of objects that share common characteristics.

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 abstracts.

An interface does not contain an instance field.

Answer 7

Chapter 18.1, Problem 18.1CP

Program Plan Intro

Class:

A class defines the characteristics and behavior of an object.

Any concept implemented in a java program is encapsulated within a class.

It defines the number of variables and methods of objects that share common characteristics.

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 abstracts.

An interface does not contain an instance field.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 18.1 - Prob. 18.1CP Ch. 18.1 - What are the three general types of collections?Ch. 18.1 - Prob. 18.3CP Ch. 18.1 - Prob. 18.4CP Ch. 18.1 - Prob. 18.5CP Ch. 18.1 - Prob. 18.6CP Ch. 18.1 - Prob. 18.7CP Ch. 18.2 - Prob. 18.8CP Ch. 18.2 - Prob. 18.9CP Ch. 18.2 - Prob. 18.10CP

Solution Summary: The author explains that a class defines the characteristics and behavior of an object.

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Chapter 18 Solutions