Chapter 13, Problem 11PE

Program Plan Intro

Finding sum of the values in an array

Program plan:

Filename: “DataSet.java”

This program file is used to define a class “DataSet”. In the code,

• Define a class “DataSet”.
  • Declare class members “values[]”, “first” and “last”.
  • Define a constructor “DataSet ()”.
    • Initialize the “values[]”, “first” and “last”.
  • Define a method “getSum()”.
    • If the value of “first” greater than “last”,
      • Return “0”.
        • Create an object “tail” of the class “DataSet”.
        • Call the method “getSum” to find the sum of the values in an array.
        • Return the value.

Filename: “DataSetDemo.java”

This program file is used to define a class “DataSetDemo”. In the code,

• Define a class “DataSetDemo”.
  • Define a method “main()”.
    • Declare an integer variable “LENGTH”
    • Create an integer array “values[]”.
    • Iterate a for loop.
      • Set the values of the array.
    • Create the object of the class “DataSet”.
    • Print the sum of values in an array.
    • Print the expected maximum.