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.