Core Java Interview Questions
Questions Answers Views Company eMail

Explain access specifiers?

Thomson Reuters, Virtusa,

653

Explain the concept of proper inheritance?

Thomson Reuters, Virtusa,

610

When should a function throw an exception?

Thomson Reuters, Virtusa,

597

When do you call copy constructor?

Tavant Technologies, Virtusa,

553

Difference between operator overloading and function overloading

Tavant Technologies, Virtusa,

604

Explain about OOPS concepts and fundamentals.

Syntel, Visa,

589

State the difference between strings and arrays.

Syntel, Visa,

595

State two differences between C and Java.

Syntel, Visa,

688

What do you mean by pointer value and address?

Syntel, Visa,

571

What is a two-pass assembler?

Syntel, Visa,

600

What is the difference between a loader and a compiler?

Syntel, Visa,

520

Explain OOPs concept.

Syntel, Visa,

641

Explain polymorphism citing an example.

Amazon,

584

What are exceptions

Futures First,

638

What is command line argument

TCS,

702


Post New Core Java Questions

Un-Answered Questions { Core Java }

What is the locale class in java programming?

525


What does indexof mean?

528


os is developed in c no java is more secured then c na why dont the os developed is developed using java

3518


How big is a 32 bit integer?

523


we have syntax like for(int var : arrayName) this syntax is to find whether a number is in the array or not.but i want to know how to find that number's location.

1566






What methodology can be employed to locate substrings inside a string?

522


What are the topics in core java?

527


How do you achieve singleton?

525


What are the 4 types of research methods?

507


How to change the priority of thread or how to set the priority of thread?

611


what is meant by Byte code concept in Java?

594


What are the important features of Java 9 release?

526


Print Vertical traversal of a Binary Tree.

601


What is this keyword in java?

563


What is variable and example?

513