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 'Uses of interfaces in java' - 1 question(s) found - Order By Newest|
|Ans. 1. Regulation / Enforcement / Policy / Contract , It's primary use|
2. Use as a collection of utility methods(since java 8 through default methods)
3. Collecting constants together, As Interface are lighter, it makes sense to use them instead of classes if no getters and setters required.
4. Creation of Custom Annotations
5. Special services like marker interface
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  interfaces   uses of interfaces in java Asked in 1 Companies|
|Differences between abstract class and interface ?|
|Why can't we have diamond problem with interfaces ?|
|Why do we need Thread class even in case we execute thread using runnable interface ?|
| What is the difference between List, Set and Map ?|
What are the different Java Collections Interfaces ?
|What are Marker Interfaces ? Name few Java marker interfaces ?|
|Can we declare interface methods as private ?|
|What is comparator interface used for ?|
|What is the use of runnable interface if we can always create a new thread using Thread class ?|
|Which of the following doesn't extend Collection interface ?|