Program to remove the text in text file Program plan: Import the required packages into the program. Create a class Exercise12_11 to remove the text from file. In the main() method, Check command line parameter. If yes, display the error message. Check whether the file exists or not. If yes, display the error message. Read text from the file and save it in a string builder. Declare the line separator. The while loop executes until the input from file. If yes, Declare and initialize the input from file. Check the firstLine is true. If yes, Append the space into the StringBuilder. Set the firstLine as false. Otherwise, append the space with space. Close the input file Write back into the file and then close the output file.

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Chapter 12, Problem 12.11PE

Program Plan Intro

Program to remove the text in text file

Program plan:

Import the required packages into the program.

Create a class Exercise12_11 to remove the text from file.

In the main() method,

Check command line parameter. If yes, display the error message.

Check whether the file exists or not. If yes, display the error message.

Read text from the file and save it in a string builder.

Declare the line separator.

The while loop executes until the input from file. If yes,

Declare and initialize the input from file.

Check the firstLine is true. If yes,

Append the space into the StringBuilder.

Set the firstLine as false.

Otherwise, append the space with space.

Close the input file

Write back into the file and then close the output file.

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