Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
5th Edition
ISBN: 9780135472118
Author: Stuart Reges, Marty Stepp
Publisher: PEARSON
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Chapter 19, Problem 1E

Explanation of Solution

“printDoubled” method:

//definition of "printDoubled" method

public static void printDoubled (int [] a)

{

    //passing an array to the stream

    Arrays.stream (a)

        //calculate the "n" value

        .map (n -> n + n)

        //display the numbers

        .forEach (System.out::println);

    //display the result

    System.out.println ();

}

Explanation:

  • In the above code, “printDoubled” is a method name.
  • Inside the method, “a” stream by passing it as a parameter to the method “Arrays.stream”.
  • The “map” method is used to add the “n” and “n” values.
  • Display the value.
  • Finally, display the twice the value of each number one by one.

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Definition of Array; Author: Neso Academy;https://www.youtube.com/watch?v=55l-aZ7_F24;License: Standard Youtube License