“StringBuilder” class: The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”. The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed. Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

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Answer 1

Question

Chapter 9, Problem 7AW

Program Plan Intro

“StringBuilder” class:

The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”.

The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed.

Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

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Answer 2

Question

Chapter 9, Problem 7AW

Program Plan Intro

“StringBuilder” class:

The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”.

The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed.

Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

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Answer 3

Question

Chapter 9, Problem 7AW

Program Plan Intro

“StringBuilder” class:

The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”.

The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed.

Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

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Answer 4

Question

Chapter 9, Problem 7AW

Program Plan Intro

“StringBuilder” class:

The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”.

The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed.

Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

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Answer 5

Chapter 9, Problem 7AW

Program Plan Intro

“StringBuilder” class:

The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”.

The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed.

Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

Answer 6

Chapter 9, Problem 7AW

Program Plan Intro

“StringBuilder” class:

The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”.

The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed.

Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

Answer 7

Chapter 9, Problem 7AW

Program Plan Intro

“StringBuilder” class:

The class “StringBuilder” is similar to the class “String” except the way the changes are made to the objects of the “StringBuilder”.

The contents of the “StringBuilder” object can be changed whereas the contents of the “String” object cannot be changed.

Method “toLowerCase ()”: This method is used to convert the character into lower case equivalent of the letters that is passed as the argument. If the argument that is passed is already in the lower case then the character will not be changed and will be remain the same.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 9.2 - Prob. 9.1CP Ch. 9.2 - Write an if statement that displays the word digit...Ch. 9.2 - Prob. 9.3CP Ch. 9.2 - Write a loop that asks the user, Do you want to...Ch. 9.2 - Prob. 9.5CP Ch. 9.2 - Write a loop that counts the number of uppercase...Ch. 9.3 - Prob. 9.7CP Ch. 9.3 - Modify the method you wrote for Checkpoint 9.7 so...Ch. 9.3 - Look at the following declaration: String cafeName...Ch. 9.3 - Prob. 9.10CP

Solution Summary: The author describes the class "StringBuilder" and the method "toLowerCase" that converts the character into lower case equivalent of the letters that is passed as the argument.

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Chapter 9 Solutions