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Core Java Interview Questions
Questions Answers Views Company eMail

Why null interfaces are used in Java?

2 6835

What is a Wrapper class?

14 38685

Write a program for recursive Traverse?

1 4626

Write a program to create a binary Tree ?

2 7922

what are Hostile Applets?

1447

what is a transient variable?

5 8769

what is the JNDI?

3 5161

What JNDI(Java Naming and Directory Interface) provides?

4 5237

Explain, why the constructor is required in implemented class?

4 6194

is java support call by reference and call by value, if supports please explain?

5 19491

what is the difference between the "protected and default" modifiers?

8 20509

where u use Abstraction and Interface in real time

Sonata,

3 6759

Difference between JDK, JRE, JVM

Deloitte, HCL, Mind Tree, Oracle, Reliance, TCS, ThinkBox,

16 89076

what do you meant by Platform-Independent?

Persistent,

6 11054

Why Java is not purely object oriented?

Elitecore, Persistent, Reliance, Wipro,

50 59889


Post New Core Java Questions

Un-Answered Questions { Core Java }

What is public static?

354


What is temp in java?

376


What are the two ways of implementing multi-threading in java?

567


What do you understand by casting in java language?

399


Tell us something about set interface.

402






What is getclass () getname () in java?

476


What is string pool?

472


When is finally block not called?

422


What is balanced tree in java?

380


What is slash r?

372


What does it mean to be immutable?

364


What is the purpose of nested class in java?

452


How hashset works internally in java?

396


Define "Access specifiers" in java.

468


What are peerless components?

426