Implementation of class ComboLock Program plan: Filename: “ComboLock.java” Import the required packages. Define the “ComboLock” class. Declare the class members. Create a constructor “ComboLock()”. Initialize the class members. Create a method “reset()”. Set the value of the class members. Create a method “turnLeft()”. Set the value of “currentNumber”. If the value of “lockState” is equal to 1, If the value of “currentNumber” is equal to “secret2”. Set the value of “lockState” is equal to 2. Else, Set the value of “validSoFar” as “false”. Create a method “turnRight()”. Set the value of “currentNumber”. . If the value of “lockState” is equal to 0, If the value of “currentNumber” is equal to “secret1”. Set the value of “lockState” is equal to 1 . If the value of “lockState” is equal to 2, If the value of “currentNumber” is equal to “secret3”. Set the value of “lockState” is equal to 3 Else, Set the value of “validSoFar” as “false”. Create a method “open()”. Return the value of “lockState”. Filename: “ComboLockDemo.java” Import the required packages. Define the “ComboLockDemo” class Define the main method. Create an object for “Random” class. Set the value of “secret1” as 12. Set the value of “secret2” as 12. Set the value of “secret3” as 12. Create an object for “ComboLockDemo” class. Create an object for “Scanner” class. Assign the value of “opened” and “turningRight”. Iterate a “while” loop. Print the instructions to the user. Scan for the value of “ticks”. If the condition is true, Print the statement and return. If the condition is true, Call the method “turnRight()”. If the condition is false, Call the method “turnLeft()”. Set the values of “turningRight” and “opened”. Print the statement.

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Chapter 8, Problem 1PP

Program Plan Intro

Implementation of class ComboLock

Program plan:

Filename: “ComboLock.java”

Import the required packages.

Define the “ComboLock” class.

Declare the class members.

Create a constructor “ComboLock()”.

Initialize the class members.

Create a method “reset()”.

Set the value of the class members.

Create a method “turnLeft()”.

Set the value of “currentNumber”.

If the value of “lockState” is equal to 1,

If the value of “currentNumber” is equal to “secret2”.

Set the value of “lockState” is equal to 2.

Else,

Set the value of “validSoFar” as “false”.

Create a method “turnRight()”.

Set the value of “currentNumber”.

. If the value of “lockState” is equal to 0,

If the value of “currentNumber” is equal to “secret1”.

Set the value of “lockState” is equal to 1

. If the value of “lockState” is equal to 2,

If the value of “currentNumber” is equal to “secret3”.

Set the value of “lockState” is equal to 3

Else,

Set the value of “validSoFar” as “false”.

Create a method “open()”.

Return the value of “lockState”.

Filename: “ComboLockDemo.java”

Import the required packages.

Define the “ComboLockDemo” class

Define the main method.

Create an object for “Random” class.

Set the value of “secret1” as 12.

Set the value of “secret2” as 12.

Set the value of “secret3” as 12.

Create an object for “ComboLockDemo” class.

Create an object for “Scanner” class.

Assign the value of “opened” and “turningRight”.

Iterate a “while” loop.

Print the instructions to the user.

Scan for the value of “ticks”.

If the condition is true,

Print the statement and return.

If the condition is true,

Call the method “turnRight()”.

If the condition is false,

Call the method “turnLeft()”.

Set the values of “turningRight” and “opened”.

Print the statement.

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