• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Ron McLeod
  • Paul Clapham
  • Jeanne Boyarsky
  • Liutauras Vilda
Sheriffs:
  • Rob Spoor
  • Bear Bibeault
  • Tim Cooke
Saloon Keepers:
  • Tim Moores
  • Stephan van Hulst
  • Tim Holloway
  • Carey Brown
  • Piet Souris
Bartenders:
  • Frits Walraven
  • Himai Minh

What is the use of this New Enhanced for loop feature ??

 
Ranch Hand
Posts: 2234
Eclipse IDE Firefox Browser Redhat
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hi all ,

I am trying to uunderstand the New For loop Enhanced Feature .

I have written this sample Example for my understanding purpose .



This works fine .
Could anybody tell me , with this new Enhanced feature will the performance would be increased ??
Or What is the use of this New Enhanced for loop feature ?? Please guide me , Thanks .
 
Sheriff
Posts: 10445
227
IntelliJ IDE Ubuntu
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
http://download.oracle.com/javase/1.5.0/docs/guide/language/foreach.html
 
Sheriff
Posts: 22211
117
Eclipse IDE Spring VI Editor Chrome Java Windows
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator

Ravi Kiran Va wrote:This works fine .


Try again with a LinkedList with several thousands of objects. See how well it performs.

Here's a little test program for you:
 
Java Cowboy
Posts: 16084
88
Android Scala IntelliJ IDE Spring Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
The main advantage is that it makes your source code simpler and easier to read. Using the new enhanced for loop does not automatically increase performance.

By the way, it isn't really that new anymore, it was introduced in Java 5 which was released in September 2004, more than six years ago...
 
Ravi Kiran Va
Ranch Hand
Posts: 2234
Eclipse IDE Firefox Browser Redhat
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Thank you very much Rob Prime and Jesper de Jong , as usual you rock .
Anyways ,I know that , Posting a question in this Category (Java in General or Java Beginer ) will yield me prompt results
 
If you like strawberry rhubarb pie, try blueberry rhubarb (bluebarb) pie. And try this tiny ad:
Thread Boost feature
https://coderanch.com/t/674455/Thread-Boost-feature
reply
    Bookmark Topic Watch Topic
  • New Topic