Write a JAVA program that simulates a circuit for controlling a hallway light that has switches at both ends of the hallway. Each switch can be up or down, and the light can be on or off. Toggling each switch turns the light on or off. (This is called a 3-way switch). Create a class called ThreeWaySwitch which simulates this situation. Provide two instance variables for the states of the two switches at each end of the hallway: private int firstSwitchState = 0, secondSwitchState= 0 ; Provide a constructor with the following heading: public ThreeWaySwitch(int initialFirstSwitch, int initialSecondSwitch) and the following methods: public int getFirstSwitchState() // 0 = down, 1 = up public int getSecondSwitchState() public int getLightState() // 0 = off, 1 = on public void toggleFirstSwitch() public void toggleSecondSwitch() Do not: provide a third instance variable for the light's state (on or off) use the ternary operator '?', or any if or switch statements in this class instead use the '+' and '%' operators (hint: (1 + 1) % 2 = 0) Write a class named CircuitTester that tests all four switch combinations, printing the status of the two switches and the light for each combination of switches (down/down, up/down, down/up, and up/up).

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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Write a JAVA program that simulates a circuit for controlling a hallway light that has switches at both ends of the hallway. Each switch can be up or down, and the light can be on or off. Toggling each switch turns the light on or off. (This is called a 3-way switch).

Create a class called ThreeWaySwitch which simulates this situation. Provide two instance variables for the states of the two switches at each end of the hallway:

private int firstSwitchState = 0, secondSwitchState= 0 ;

Provide a constructor with the following heading:

public ThreeWaySwitch(int initialFirstSwitch, int initialSecondSwitch)

and the following methods:

public int getFirstSwitchState() // 0 = down, 1 = up public int getSecondSwitchState() public int getLightState() // 0 = off, 1 = on public void toggleFirstSwitch() public void toggleSecondSwitch()

Do not:

provide a third instance variable for the light's state (on or off)
use the ternary operator '?', or any if or switch statements in this class
- instead use the '+' and '%' operators (hint: (1 + 1) % 2 = 0)

Write a class named CircuitTester that tests all four switch combinations, printing the status of the two switches and the light for each combination of switches (down/down, up/down, down/up, and up/up).

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