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 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.

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Big Java, Binder Ready Version: Early Objects

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