Program to replace the text in file Program plan: Import the required packages into the program. Create a class Exercise12_16 to remove the text from file. In the main() method, Check whether source file exists. If yes, display the error message. Assign the argument 0 as source file. Check whether source file exists. If yes, Display the error message. Create an object for StringBuilder. In try-with-resource, Read text from the file and save it in a string builder. Loop executes until the input from file. If yes, Assign the input from file Call replaceAll() method to replace the old string to new string. Append the new line. In try-with-resource, Create an object for PrinterWriter. Write the new string to file.

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Chapter 12, Problem 12.16PE

Program Plan Intro

Program to replace the text in file

Program plan:

Import the required packages into the program.

Create a class Exercise12_16 to remove the text from file.

In the main() method,

Check whether source file exists. If yes, display the error message.

Assign the argument 0 as source file.

Check whether source file exists. If yes,

Display the error message.

Create an object for StringBuilder.

In try-with-resource,

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

Loop executes until the input from file. If yes,

Assign the input from file

Call replaceAll() method to replace the old string to new string.

Append the new line.

In try-with-resource,

Create an object for PrinterWriter.

Write the new string to file.

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