• 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
  • Ron McLeod
  • Tim Cooke
  • Junilu Lacar
Sheriffs:
  • Rob Spoor
  • Devaka Cooray
  • Jeanne Boyarsky
Saloon Keepers:
  • Jesse Silverman
  • Stephan van Hulst
  • Tim Moores
  • Carey Brown
  • Tim Holloway
Bartenders:
  • Jj Roberts
  • Al Hobbs
  • Piet Souris

Array Shortcut Notation as a Method Parameter

 
Ranch Hand
Posts: 3271
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
This works:



...as does this:



This does not:



The latter gives me a compiler exception stating that the method setParameters(String[]) is not applicable for the arguments (String, String, String).

Any ideas as to why the shortcut syntax is not allowed when used as a parameter to a method?

On a side note, I've gotten around the issue by changing the signature of generator.setParameters to be:



That allows me to do this:



I'm just curious why the notation above doesn't work in that scenario. Thanks.
 
Ranch Hand
Posts: 247
Eclipse IDE Chrome Java
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
generator.setParameters({"server_name=server","db_name=dbname","dictionary_table_name=dd"});

This type of pattern is legal only during the initialization of Objects...
 
Marshal
Posts: 26909
82
Eclipse IDE Firefox Browser MySQL Database
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator

Ram Narayan.M wrote:This type of pattern is legal only during the initialization of Objects...



That's right; for something even more surprising try this:


You'll find that doesn't compile because the second line doesn't initialize anything.
 
You showed up just in time for the waffles! And this tiny ad:
Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop
https://coderanch.com/wiki/718759/books/Building-World-Backyard-Paul-Wheaton
reply
    Bookmark Topic Watch Topic
  • New Topic