What is the advantage of using static final or constant variables in Java ?

Interview Questions and Answers

Q1. What is the advantage of using static final or constant variables in Java ?

Ans. Better Control - If the value is being used at multiple locations , that can be controlled better from single place. Any change would only require making single change.

Meaning , Aliasing and Better Readability - Sometimes its easy to read the value by its meaning or alias ( 0 as ZERO or 0 as NEUTRAL_VALUE ).

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve static final final variable variable constants}

Related Questions

Will the static block be executed in the following code ? Why ?

Interface can only have ...

What is the following code doing ?

private static final String[] COLORS = new String[] { "Red", "Green", "Blue" };

What are the conventions regarding constant variables or static final variables ?

Why is a constant defined as a static final in Java?

Can you assign value to a static final type at runtime ?

What are the trade offs between public constructor and static final method ?

If we have to maintain a value "7" denoting "number of days in a week" as constant variable, Which of the following is the best constant name and Why ?

SEVEN
NUMBER_OF_DAYS_IN_WEEK
NUMBER_OF_DAYS_IN_WEEK_7

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 ?

THIRTY_ONE
NUMBER_OF_DAYS_IN_MONTH
NUMBER_OF_DAYS_IN_MONTH_31

Search Interview Questions

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.