• 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
  • Tim Cooke
  • Liutauras Vilda
  • Jeanne Boyarsky
  • paul wheaton
Sheriffs:
  • Ron McLeod
  • Devaka Cooray
  • Henry Wong
Saloon Keepers:
  • Tim Holloway
  • Stephan van Hulst
  • Carey Brown
  • Tim Moores
  • Mikalai Zaikin
Bartenders:
  • Frits Walraven

Forward reference

 
Ranch Hand
Posts: 52
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
public class AQuestion
{
private int i = j;
private int j = 10;
public static void main(String args[])
{
System.out.println((new AQuestion()).i);
}
}

Answers

a)Compiler error complaining about access restriction of private variables of AQuestion.
b)Compiler error complaining about forward referencing.
c)No error - The output is 0;
d)No error - The output is 10;

answer is given as b.
can anybody explain?
 
Srinivas Kumar
Ranch Hand
Posts: 52
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Got the answer from the following link
http://radio.javaranch.com/corey/2004/05/13/1084483439000.html
 
Sheriff
Posts: 11343
Mac Safari Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
See Corey's Tipline on Forward Referencing.
 
Joel Salatin has signs on his property that say "Trespassers will be Impressed!" Impressive tiny ad:
Gift giving made easy with the permaculture playing cards
https://coderanch.com/t/777758/Gift-giving-easy-permaculture-playing
reply
    Bookmark Topic Watch Topic
  • New Topic