Core Java Interview Questions
Questions Answers Views Company eMail

What is hashing principle in java?

548

What is time complexity java?

532

Which is faster set or list in java?

526

What is size () in java?

544

What is a key in java?

497

What is import java util arraylist?

650

Why we go for collections in java?

540

What is arraylist class in java?

509

What is java util concurrentmodificationexception?

495

What is thread safe java?

493

What is fail first in java?

567

What is the difference between length and size in java?

493

What is the maximum size of array in java?

510

What does index mean in java?

536

What is complexity in java?

521


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Un-Answered Questions { Core Java }

What's the base class of all exception classes?

562


Does variable declaration allocate memory?

581


Can we able to pass objects as an arguments in java?

530


what are abstract functions?

557


What is operator overloading. Is it is supported in java?

516






Why do people says “java is robust”?

551


Is there a case when finally will not execute?

563


What is tree in java?

487


Write a code to show a static variable?

613


Which sorting is best in java?

530


Why vector class is used?

538


What is an argument java?

531


Java is pass by value or pass by reference? Explain

530


What are access specifiers in java ?

588


Why is java logo a cup of coffee?

620