Search Interview Questions
| 3335 questions in repository.|
There are more than 200 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|Java - Interview Questions and Answers|
Constant should be such that it uniquely identifies the value it holds and context of the value. SEVEN uniquely identifies the value but doesn't express the context.
Though NUMBER_OF_DAYS_IN_WEEK and NUMBER_OF_DAYS_IN_WEEK_7 makes sense in terms of unique value identification and context but 7 at the end of constant name appears useless as all weeks have 7 days and hence it's the only value it can hold. If it would have been "number of days in a month", it would have made sense to include number of days at the end like
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  constant variables  static final variable  java conventions  java naming conventions|
|What are the conventions regarding constant variables or static final variables ?|
|What is the advantage of using static final or constant variables in Java ?|
| If we have to maintain a value "31" denoting "number of days in a month" as constant variable, Which of the following is the best constant name and Why ?|
| Would you consider creating a constant name for "null" ?|
|How do we define constant variables in Java ?|