Chapter 18, Problem 18PE

Program Plan Intro

Appending elements of arrays

Program plan:

Filename: “ArrayListUtil.java”

This code snippet creates a class “ArrayListUtil”. In the code,

• Import the required packages.
• Define a class “ArrayListUtil”.
  • Declare a method “append()” to append elements of arrays “a” and “b”.
    • Create an array “result” and add the elements of “a” to it.
    • Iterate a “for” loop,
      • Add elements of “b” to “result”.
    • Return “result”.

Filename: “AppendTester.java”

This code snippet creates a class “AppendTester”. In the code,

• Import the required packages.
• Define a class “AppendTester”.
  • Define the “main” method.
    • Define an array “a”.
    • Define an array “b”.
    • Call the method “append()” of “ArrayListUtil” to append “a” and “b” and set the result to an array “c”.
    • Print the elements of “a”.
    • Print the expected values.
    • Print the elements of “b”.
    • Print the expected values.
    • Print the elements of “c”.
    • Print the expected values.