Rewrite the following piece of java code using iterator pattern. And change the operation inside the for loop to another operation of your own. And What was the advantage of using the iterator ? import java.util.Iterator

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question

Rewrite the following piece of java code using iterator pattern. And change the operation inside the for loop to another operation of your own. And What was the advantage of using the iterator ?

import java.util.Iterator

String[ ] originalData = { "one", "two", "three", "four", "five" }; 

List<String> strings = new ArrayList<>(Arrays.asList(originalData));

for ( int i=0; i<strings.size(); i++) { 
// process strings.get(i): here, just print
System.out.println(strings.get(i));
}

Expert Solution
Introduction

Create an Iterator instance for the given list and then we can iterate over the iterator and print the each element as long as there are elements in iterator

Iterators are useful when compared to loops as loops doesn't allows the update operations on collection whereas Iterator supports this

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education