Search Interview Questions
| More than 3000 questions in repository.|
There are more than 900 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|Core Java - Interview Questions and Answers for 'Effective final' - 1 question(s) found - Order By Newest|
|Not frequently asked as it was introduced with Java 8.|
|Ans. Final variable means a variable that has been declared final and hence cannot be de referenced after initialization. Effective final means a variable that has not been declared final but haven't been reassigned the value after initialization.|
First is the regulation that restricts the reassignment and will raise a compilation error if we try to do so. Second is the outcome without the restriction.
Effective Final is the eventual treatment of the variable that is required for many features. For eq - Java 8 requires that local variables referenced from a lambda expression must be final or effectively final.It means all local referenced from lambda expressions must be such that their value shouldn't be changed after initialization whether declared final or not.
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  java   java8   java 8   final   effective final   final vs effective final   lambda expressions expert|
Try 2 Question(s) Test