Win a copy of 97 Things Every Java Programmer Should Know this week in the Java in General 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
  • Paul Clapham
  • Jeanne Boyarsky
  • Junilu Lacar
  • Henry Wong
Sheriffs:
  • Ron McLeod
  • Devaka Cooray
  • Tim Cooke
Saloon Keepers:
  • Tim Moores
  • Stephan van Hulst
  • Frits Walraven
  • Tim Holloway
  • Carey Brown
Bartenders:
  • Piet Souris
  • salvin francis
  • fred rosenberger

EPractice Lab mock exam 2

 
Ranch Foreman
Posts: 1898
12
  • 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: 3345
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.

 
An elephant? An actual elephant. Into the apartment. How is the floor still here. Hold this tiny ad:
Devious Experiments for a Truly Passive Greenhouse!
https://www.kickstarter.com/projects/paulwheaton/greenhouse-1
    Bookmark Topic Watch Topic
  • New Topic