Big Java, Binder Ready Version: Early Objects
Big Java, Binder Ready Version: Early Objects
6th Edition
ISBN: 9781119056447
Author: Cay S. Horstmann
Publisher: WILEY
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Chapter 21, Problem 3PE
Program Plan Intro

To reverse all lines in a file

Program plan:

  • Import necessary packages.
  • Create a class “LinesReverserTest”,
    • Define the “main()” method.
      • Execute “try” statement,
        • Create a “Scanner” object.
        • Prompt the user to enter the name of file.
        • Get the name of file from the user.
        • Call the method “reverseLines()”.
      • Catch if exception occurs,
        • Print the exception.
    • Define the method “reverseLines()”,
      • Create the input file stream to get the bytes from an input file.
      • Get the input bytes form the file.
      • Call the method “readAllLines()” to read all the lines from the input file.
      • Close the input file stream.
      • Create an output file stream to write the bytes into file.
      • Create a loop,
        • Create an inner loop,
          • Call the method “write()” to write the characters into the file.
            • Write the new line character into the output file.
      • Close the output file stream.

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reminder it an exercice not a grading work             GETTING STARTED Open the file SC_EX19_EOM2-1_FirstLastNamexlsx, available for download from the SAM website. Save the file as SC_EX19_EOM2-1_FirstLastNamexlsx by changing the “1” to a “2”. If you do not see the .xlsx file extension in the Save As dialog box, do not type it. The program will add the file extension for you automatically. With the file SC_EX19_EOM2-1_FirstLastNamexlsx still open, ensure that your first and last name is displayed in cell B6 of the Documentation sheet. If cell B6 does not display your name, delete the file and download a new copy from the SAM website. Brad Kauffman is the senior director of projects for Rivera Engineering in Miami, Florida. The company performs engineering projects for public utilities and energy companies. Brad has started to create an Excel workbook to track estimated and actual hours and billing amounts for each project. He asks you to format the workbook to make the…
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