To remove all files from a directory Program plan: Import necessary packages. Create a class “CopyDirectoriesTest”, Define the “main()” method. Create a “Scanner” object. Prompt the user to enter the directory path. Get the directory path from the user. Execute “try” statement, Call the method “clearDirectory ()”. Catch if exception occurs, Print the exception. Define the method “clearDirectory ()”, Execute “try” statement, Create a list. Create a loop, Execute for the regular path, Call the method “delete()” to delete the files.

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Answer 1

Question

Chapter 20, Problem 12PP

Program Plan Intro

To remove all files from a directory

Program plan:

Import necessary packages.

Create a class “CopyDirectoriesTest”,

Define the “main()” method.

Create a “Scanner” object.

Prompt the user to enter the directory path.

Get the directory path from the user.

Execute “try” statement,

Call the method “clearDirectory ()”.

Catch if exception occurs,

Print the exception.

Define the method “clearDirectory ()”,

Execute “try” statement,

Create a list.

Create a loop,

Execute for the regular path,

Call the method “delete()” to delete the files.

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Answer 2

Question

Chapter 20, Problem 12PP

Program Plan Intro

To remove all files from a directory

Program plan:

Import necessary packages.

Create a class “CopyDirectoriesTest”,

Define the “main()” method.

Create a “Scanner” object.

Prompt the user to enter the directory path.

Get the directory path from the user.

Execute “try” statement,

Call the method “clearDirectory ()”.

Catch if exception occurs,

Print the exception.

Define the method “clearDirectory ()”,

Execute “try” statement,

Create a list.

Create a loop,

Execute for the regular path,

Call the method “delete()” to delete the files.

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Answer 3

Question

Chapter 20, Problem 12PP

Program Plan Intro

To remove all files from a directory

Program plan:

Import necessary packages.

Create a class “CopyDirectoriesTest”,

Define the “main()” method.

Create a “Scanner” object.

Prompt the user to enter the directory path.

Get the directory path from the user.

Execute “try” statement,

Call the method “clearDirectory ()”.

Catch if exception occurs,

Print the exception.

Define the method “clearDirectory ()”,

Execute “try” statement,

Create a list.

Create a loop,

Execute for the regular path,

Call the method “delete()” to delete the files.

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Answer 4

Question

Chapter 20, Problem 12PP

Program Plan Intro

To remove all files from a directory

Program plan:

Import necessary packages.

Create a class “CopyDirectoriesTest”,

Define the “main()” method.

Create a “Scanner” object.

Prompt the user to enter the directory path.

Get the directory path from the user.

Execute “try” statement,

Call the method “clearDirectory ()”.

Catch if exception occurs,

Print the exception.

Define the method “clearDirectory ()”,

Execute “try” statement,

Create a list.

Create a loop,

Execute for the regular path,

Call the method “delete()” to delete the files.

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Answer 5

Chapter 20, Problem 12PP

Program Plan Intro

To remove all files from a directory

Program plan:

Import necessary packages.

Create a class “CopyDirectoriesTest”,

Define the “main()” method.

Create a “Scanner” object.

Prompt the user to enter the directory path.

Get the directory path from the user.

Execute “try” statement,

Call the method “clearDirectory ()”.

Catch if exception occurs,

Print the exception.

Define the method “clearDirectory ()”,

Execute “try” statement,

Create a list.

Create a loop,

Execute for the regular path,

Call the method “delete()” to delete the files.

Answer 6

Chapter 20, Problem 12PP

Program Plan Intro

To remove all files from a directory

Program plan:

Import necessary packages.

Create a class “CopyDirectoriesTest”,

Define the “main()” method.

Create a “Scanner” object.

Prompt the user to enter the directory path.

Get the directory path from the user.

Execute “try” statement,

Call the method “clearDirectory ()”.

Catch if exception occurs,

Print the exception.

Define the method “clearDirectory ()”,

Execute “try” statement,

Create a list.

Create a loop,

Execute for the regular path,

Call the method “delete()” to delete the files.

Answer 7

Chapter 20, Problem 12PP

Program Plan Intro

To remove all files from a directory

Program plan:

Import necessary packages.

Create a class “CopyDirectoriesTest”,

Define the “main()” method.

Create a “Scanner” object.

Prompt the user to enter the directory path.

Get the directory path from the user.

Execute “try” statement,

Call the method “clearDirectory ()”.

Catch if exception occurs,

Print the exception.

Define the method “clearDirectory ()”,

Execute “try” statement,

Create a list.

Create a loop,

Execute for the regular path,

Call the method “delete()” to delete the files.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 20.1 - Prob. 1SC Ch. 20.1 - Prob. 2SC Ch. 20.2 - Prob. 3SC Ch. 20.2 - Prob. 4SC Ch. 20.2 - Prob. 5SC Ch. 20.3 - Prob. 6SC Ch. 20.3 - Prob. 7SC Ch. 20.4 - Prob. 8SC Ch. 20.4 - Prob. 9SC Ch. 20.5 - Prob. 10SC

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Chapter 20 Solutions