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

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

Computer Networking: A Top-Down Approach (7th Edition)
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
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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## Example: Defining Classes and Creating Objects ### A TV Class Example (Take Home Exercise, No Credit) #### Class Definition - **Attributes:** - `channel: int` - The current channel (1 to 120) of this TV. - `volumeLevel: int` - The current volume level (1 to 7) of this TV. - `on: boolean` - Indicates whether this TV is on/off. - **Methods:** - `+TV()` - Constructs a default TV object. - `+turnOn(): void` - Turns on this TV. - `+turnOff(): void` - Turns off this TV. - `+setChannel(newChannel: int): void` - Sets a new channel for this TV. - `+setVolume(newVolumeLevel: int): void` - Sets a new volume level for this TV. - `+channelUp(): void` - Increases the channel number by 1. - `+channelDown(): void` - Decreases the channel number by 1. - `+volumeUp(): void` - Increases the volume level by 1. - `+volumeDown(): void` - Decreases the volume level by 1. **Note:** The `+` sign indicates a public modifier.
Transcribed Image Text:## Example: Defining Classes and Creating Objects ### A TV Class Example (Take Home Exercise, No Credit) #### Class Definition - **Attributes:** - `channel: int` - The current channel (1 to 120) of this TV. - `volumeLevel: int` - The current volume level (1 to 7) of this TV. - `on: boolean` - Indicates whether this TV is on/off. - **Methods:** - `+TV()` - Constructs a default TV object. - `+turnOn(): void` - Turns on this TV. - `+turnOff(): void` - Turns off this TV. - `+setChannel(newChannel: int): void` - Sets a new channel for this TV. - `+setVolume(newVolumeLevel: int): void` - Sets a new volume level for this TV. - `+channelUp(): void` - Increases the channel number by 1. - `+channelDown(): void` - Decreases the channel number by 1. - `+volumeUp(): void` - Increases the volume level by 1. - `+volumeDown(): void` - Decreases the volume level by 1. **Note:** The `+` sign indicates a public modifier.
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