EBK JAVA PROGRAMMING
EBK JAVA PROGRAMMING
9th Edition
ISBN: 9781337671385
Author: FARRELL
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 13, Problem 8PE

a.

Program Plan Intro

Student progression

Program plan:

  • Import necessary packages and create a class “StudentsStanding”,
    • Define the method “main()”,
      • Create “Scanner” object.
      • Get both the file paths.
      • Initialize required string and final variables.
      • Set the cutoff value for grade point average.
      • Execute “try” statement,
        • Create output stream object.
        • Create object for “BufferedWriter”.
        • Create another output stream object.
        • Create another object for “BufferedWriter”.
        • Prompt the user to enter student id.
        • Get the student id from the user.
        • Execute “while” loop till the string is equal to “zzz”,
          • Prompt the user to enter first name.
          • Get the first name from the user.
          • Prompt the user to enter last name.
          • Get the last name from the user.
          • Prompt the user to enter grade point average.
          • Get the grade point average from the user.
          • Concatenate the resultant string.
          • Check if gpa is less than cutoff value,
            • Write the data into the corresponding file.
          • Otherwise,
            • Write the data into another file.
          • Prompt the user to enter the input.
          • Get the input from the user.
        • Close both the files.
      • Catch if exception occurs,
        • Handle the exception.

b.

Program Plan Intro

Printing the details of student progression

Program plan:

  • Import necessary packages and create a class “StudentsStanding2”,
    • Define the method “main()”,
      • Get both the file paths.
      • Initialize required string variable.
      • Execute “try” statement,
        • Create input stream object.
        • Create object for “BufferedReader”.
        • Create another input stream object.
        • Create another object for “BufferedReader”.
        • Print heading.
        • Read line from a file.
        • Execute till there are records,
          • Call the method “display()”.
          • Read next line from a file.
        • Print another heading.
        • Read line from another file.
        • Execute till there are records,
          • Call the method “display()”.
          • Read next line from a file.
        • Close both the files.
      • Catch if exception occurs,
        • Handle the exception.
    • Define the method “display()”,
      • Create string array.
      • Declare necessary variables.
      • Set the cutoff value.
      • Split the values using the delimiter “,”.
      • Assign the value for string id.
      • Assign the value for first name.
      • Assign the value for last name.
      • Assign the value for gpa.
      • Print the resultant string to the console.

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Chapter 13 Solutions

EBK JAVA PROGRAMMING

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