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

Question about class and interface

 
Greenhorn
Posts: 20
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
question under:
interface Foo{
int k=0;
}
public class Test implements Foo{
public static void main(String args[]){
int i;
Test test=new Test();
i=test.k;
i=Test.k;
i=Foo.k;
}
}
Which statement is true?
A. Compilation succeeds
B. An error at line 2 causes compilation to fail
C. An error at line 9 causes compilation to fail
D. An error at line 10 causes compilation to fail
E. An error at line 11 causes compilation to fail
the answer is A
i do not understand why ?
 
Ranch Hand
Posts: 80
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
fields in interfaces are automatically static and final
 
Scott Xia
Greenhorn
Posts: 20
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
thank you
 
reply
    Bookmark Topic Watch Topic
  • New Topic