• 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
  • Paul Clapham
  • Tim Cooke
  • Jeanne Boyarsky
  • Liutauras Vilda
Sheriffs:
  • Frank Carver
  • Henry Wong
  • Ron McLeod
Saloon Keepers:
  • Tim Moores
  • Frits Walraven
  • Tim Holloway
  • Stephan van Hulst
  • Carey Brown
Bartenders:
  • Al Hobbs
  • Piet Souris
  • Himai Minh

does import statement increase the size

 
Greenhorn
Posts: 6
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
When we import a class in another class, does this increase the size of the java file in which we are importing the file. what kind of performance difference it causes.
 
Ranch Hand
Posts: 81
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
The import statement does nothing more than allow you to refer to a class without having to use the fully qualified name.
e.g.

or
 
author
Posts: 201
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
An import statement enables you to refer to a class by the shortened form of its name("ArrayList") versus having to refer to it via its fully qualified name ("java.util.ArrayList"). That is, the following two classes are equivalent:

Also note that the Java Virtual Machine's class loader is a "just in time" loader, meaning that it only loads the bytecode for a class into its memory when you first need it at run time -- i.e., the first time you instantiate an object of a particular type. Please see comments below.

I hope this helps!

Jacquie
 
Saurabh Dixit
Greenhorn
Posts: 6
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Thanks jacquie and steve. My doubts have been cleared.
 
We're all out of roofs. But we still have tiny ads:
the value of filler advertising in 2021
https://coderanch.com/t/730886/filler-advertising
reply
    Bookmark Topic Watch Topic
  • New Topic