Example: Defining Classes and Creating Object (Cont'd)

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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9.3 Example: Defining Classes and Creating Object (Cont'd)
ATV class example (Take home exercise, no credit)
TV
channel: int
The curent channel (1 to 120) of this TV.
volumelevel: int
The current volume level (1 to 7) of this TV.
on: boolean
Indicates whether this TVis on/off.
The + sign indicates
a public modifier.
+TV ()
Constructs a de fault TV objęct.
+turnon () : void
Turns on this TV.
+turnoff (): voíd
+setChannel (newChannel: int): void
+setVolume (newVolumeLevel: int): void
+channelUp(): void
Turns off this TV.
Sets a new channel for this TV.
Sets a new volume level for this TV.
Increas es the channel number by 1.
+channel Down (): void
Decreases the channel number by 1.
+volumeUp () : void
Increas es the volume level by 1.
+volumeDown () : void
Decreases the volume level by 1.
Transcribed Image Text:9.3 Example: Defining Classes and Creating Object (Cont'd) ATV class example (Take home exercise, no credit) TV channel: int The curent channel (1 to 120) of this TV. volumelevel: int The current volume level (1 to 7) of this TV. on: boolean Indicates whether this TVis on/off. The + sign indicates a public modifier. +TV () Constructs a de fault TV objęct. +turnon () : void Turns on this TV. +turnoff (): voíd +setChannel (newChannel: int): void +setVolume (newVolumeLevel: int): void +channelUp(): void Turns off this TV. Sets a new channel for this TV. Sets a new volume level for this TV. Increas es the channel number by 1. +channel Down (): void Decreases the channel number by 1. +volumeUp () : void Increas es the volume level by 1. +volumeDown () : void Decreases the volume level by 1.
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