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.
|Interview Questions and Answers|
|Ans. use collections.frequency() method to find out the frequency, if it is greater than 1 then it is a duplicate element.|
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve   Asked in 1 Companies|
|Difference between == and .equals() ?|
|Why is String immutable in Java ?|
| Explain the scenerios to choose between String , StringBuilder and StringBuffer ?|
What is the difference between String , StringBuilder and StringBuffer ?
|What are the difference between composition and inheritance in Java?|
|What is a Lambda Expression ? What's its use ?|
|Why Char array is preferred over String for storing password?|
|Does garbage collection guarantee that a program will not run out of memory?|
| Explain OOPs |
Explain OOPs Principles
Explain OOPs Concepts
Explain OOPs features
Tell me something about OOPs
|What is the difference between final, finally and finalize() ?|
|What are different ways to create String Object? Explain.|