• 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
  • Devaka Cooray
  • Tim Cooke
Sheriffs:
  • Rob Spoor
  • Liutauras Vilda
  • paul wheaton
Saloon Keepers:
  • Tim Holloway
  • Tim Moores
  • Mikalai Zaikin
  • Carey Brown
  • Piet Souris
Bartenders:
  • Stephan van Hulst

Enhanced For Loop and Iterator

 
Ranch Hand
Posts: 281
Eclipse IDE Java Windows
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
CODE 1



CODE 2




Besides readability, is there any performance improvement using the second code ?
 
Bartender
Posts: 6109
6
Android IntelliJ IDE Java
  • Likes 1
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator

Robin John wrote:
Besides readability, is there any performance improvement using the second code ?



No. The enhanced for loop uses the iterator anyway, so the generated byte code ends up the same.
 
Bartender
Posts: 1952
7
Eclipse IDE Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Nope, just syntactic sugar.
 
But how did the elephant get like that? What did you do? I think all we can do now is read this tiny ad:
Smokeless wood heat with a rocket mass heater
https://woodheat.net
reply
    Bookmark Topic Watch Topic
  • New Topic