Chapter 21, Problem 7PE

Program Plan Intro

Compact file

Program plan:

Filename: “BankDataCompactor.java”

• Include the required header files
• Define the class “BankDataCompactor”
  • Declare the required variables.
  • Define the “main” method
    • Create an object for “Scanner” class.
    • Get the file name
    • In “try” block,
      • Declare the required variables
      • Check the condition
        • Read the integer value and store it in “accountNumber”
        • Check account number is less than 0
        • • Set the values
          • Increment he value
        • Read the double value
        • Check the condition
        • • Close the file
          • Display the statement
          • Return statement
        • Declare the variable and set the value
        • Check the condition
        • • Declare the variables and get the values
          • Check account number is greater than 0
            • Create an object for “getFilePointer ()” method
            • Call the methods
            • Display the account number and position
            • Create another object for “getFilePointer ()” method
            • Call the method
              • Otherwise, increment the value
        • Call the method
        • Display the output
        • Close the file
        • Display the holes
      • In “catch” block, throw an exception.