Win a copy of Five Lines of Code this week in the OO, Patterns, UML and Refactoring forum!
  • 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 all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Bear Bibeault
  • Ron McLeod
  • Jeanne Boyarsky
  • Paul Clapham
Sheriffs:
  • Tim Cooke
  • Liutauras Vilda
  • Junilu Lacar
Saloon Keepers:
  • Tim Moores
  • Stephan van Hulst
  • Tim Holloway
  • fred rosenberger
  • salvin francis
Bartenders:
  • Piet Souris
  • Frits Walraven
  • Carey Brown

EPractice Lab mock exam 2

 
Ranch Foreman
Posts: 1922
13
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator


Which of the following statements are true about the "." and "[]" operations in EL?
a. the "." operator is used to access bean properties
b. the "." operator is used to access bean methods.
c. the "[]" operator is used to access bean properties.
d. the "." operator is a generalization of the "[]" operator.
e. the "[]" operator is used to access objects stored in maps, lists and arrays.
f. the "." operator cannot be used access objects stored in maps, lists and arrays.

Answers: A, C, E, F




For option F it is partially correct, the "." operator can be used to access maps, but not lists and arrays.

My example:


 
Creator of Enthuware JWS+ V6
Posts: 3348
303
Android Eclipse IDE Chrome
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator

For option F it is partially correct, the "." operator can be used to access maps, but not lists and arrays.


You are right! As long as the key follows the rules of an java-identifier; if you use "@one" as the key then it won't work.

 
my overalls have superpowers - they repel people who think fashion is important. 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
    Bookmark Topic Watch Topic
  • New Topic