Program plan: The variables used in the program are given below: salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method. The methods used in the program are as follows: addComment(): a method of SalesItem class, used to add comments to the salesItem instance. assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not Program Description: To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

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Question

Chapter 9, Problem 15E

Program Plan Intro

Program plan:

The variables used in the program are given below:

salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method.

The methods used in the program are as follows:

addComment(): a method of SalesItem class, used to add comments to the salesItem instance.

assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not

Program Description:

To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

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Answer 2

Question

Chapter 9, Problem 15E

Program Plan Intro

Program plan:

The variables used in the program are given below:

salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method.

The methods used in the program are as follows:

addComment(): a method of SalesItem class, used to add comments to the salesItem instance.

assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not

Program Description:

To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

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Answer 3

Question

Chapter 9, Problem 15E

Program Plan Intro

Program plan:

The variables used in the program are given below:

salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method.

The methods used in the program are as follows:

addComment(): a method of SalesItem class, used to add comments to the salesItem instance.

assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not

Program Description:

To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

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Answer 4

Question

Chapter 9, Problem 15E

Program Plan Intro

Program plan:

The variables used in the program are given below:

salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method.

The methods used in the program are as follows:

addComment(): a method of SalesItem class, used to add comments to the salesItem instance.

assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not

Program Description:

To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

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Answer 5

Chapter 9, Problem 15E

Program Plan Intro

Program plan:

The variables used in the program are given below:

salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method.

The methods used in the program are as follows:

addComment(): a method of SalesItem class, used to add comments to the salesItem instance.

assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not

Program Description:

To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

Answer 6

Chapter 9, Problem 15E

Program Plan Intro

Program plan:

The variables used in the program are given below:

salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method.

The methods used in the program are as follows:

addComment(): a method of SalesItem class, used to add comments to the salesItem instance.

assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not

Program Description:

To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

Answer 7

Chapter 9, Problem 15E

Program Plan Intro

Program plan:

The variables used in the program are given below:

salesItem: an instance of SalesItem class, used to add comments to it and test the addComment() method.

The methods used in the program are as follows:

addComment(): a method of SalesItem class, used to add comments to the salesItem instance.

assertFalse(): a JUnit assertion method that checks whether the passed boolean expression is false or not

Program Description:

To create a test to check whether the method addComment() method returns false when trying to add a comment from the same author that already exists.

Answer 8

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Answer 9

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Answer 11

Ch. 9 - Prob. 1E Ch. 9 - Prob. 3E Ch. 9 - Prob. 4E Ch. 9 - Prob. 5E Ch. 9 - Good boundary testing also involves testing values...Ch. 9 - Prob. 7E Ch. 9 - Use the upvoteComment and downvoteComment methods...Ch. 9 - Do boundary testing of the findMostHelpfulComment...Ch. 9 - Prob. 11E Ch. 9 - Prob. 13E

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Chapter 9 Solutions