Given:Â The object of ClockDisplay class and the timeTick method.

To find:Â The number of times the timeTick method is required to call to reach the time 01:00 and identify other alternatives to make the time reach 01:00.

Solution:

The number of times timeTick method is required to be called is 60 times in order to make its time reach 01:00.

Calling timeTick() method:

Calling getTime() method:

Result of calling getTime() method:

Calling timeTick() method:

Calling timeTick() method:

Calling getTime() method:

A console output window showing timeTick() method is called 60 times:

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Chapter 3, Problem 28E

Chapter 3, Problem 30E

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Chapter 3 Solutions

Objects First with Java: A Practical Introduction Using BlueJ (6th Edition)

Ch. 3 - Prob. 1E Ch. 3 - At what time (s) can a class diagram change? How...Ch. 3 - At what time(s) can an object diagram change? How...Ch. 3 - Write a definition of a field named tutor that can...Ch. 3 - Prob. 5E Ch. 3 - Create a second NumberDisplay object with a limit...Ch. 3 - Select Show Code Pad from the View menu. Create a...Ch. 3 - What error message do you see in the Code Pad if...Ch. 3 - What error message do you see in the Code Pad if...Ch. 3 - What happens when the setValue method is called...

Ch. 3 - Prob. 11E Ch. 3 - Prob. 12E Ch. 3 - Which of the following expressions return...Ch. 3 - Write an expression using boolean variables a and...Ch. 3 - Write an expression using boolean variables a and...Ch. 3 - Consider the expression (a && b). Write an...Ch. 3 - Does the getDisplayValue method work correctly in...Ch. 3 - Prob. 18E Ch. 3 - In Exercise 2.79 you were asked to investigate...Ch. 3 - Explain the modulo operator. You may need to...Ch. 3 - What is the result of the expression 83?Ch. 3 - Try out the expression in the Code Pad. Try other...Ch. 3 - Prob. 23E Ch. 3 - Prob. 24E Ch. 3 - Explain in detail how the increment method works. Ch. 3 - Rewrite the increment method without the modulo...Ch. 3 - Open the clock-display project and create a...Ch. 3 - Prob. 28E Ch. 3 - Prob. 29E Ch. 3 - Prob. 30E Ch. 3 - Look at the second constructor in C1ockDisplay's...Ch. 3 - Prob. 32E Ch. 3 - Given a variable Printer p1; which currently holds...Ch. 3 - Open the house project from Chapter 1 and review...Ch. 3 - Prob. 35E Ch. 3 - Does the Picture class contain any internal method...Ch. 3 - Remove the following two statements from the draw...Ch. 3 - Prob. 38E Ch. 3 - Prob. 39E Ch. 3 - Assume a class Tree has a field of type Triangle...Ch. 3 - Prob. 41E Ch. 3 - Open the mail-system project, which you can find...Ch. 3 - Prob. 43E Ch. 3 - Prob. 44E Ch. 3 - Open the editor for the MailClient class and set a...Ch. 3 - Step one line forward in the execution of the...Ch. 3 - Prob. 47E Ch. 3 - Prob. 48E Ch. 3 - Prob. 49E Ch. 3 - Set a breakpoint in the first line of the sendMai1...Ch. 3 - Use a combination of code reading, execution of...Ch. 3 - Use the debugger to investigate the clock-display...Ch. 3 - Prob. 53E Ch. 3 - Prob. 54E Ch. 3 - Prob. 55E Ch. 3 - Describe the changes that would be required to the...Ch. 3 - Write the code for the timeTick method in...Ch. 3 - Discuss whether the current design of the...Ch. 3 - Challenge exercise In the current design of...

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