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Core Java Interview Questions
Questions Answers Views Company eMail

what are the differences between java and .net?..why u choose java?

 1 4007

where exactly collections are usefull in realtime

 2 9445

What is the use of static import ?

Rolta,

4 8414

whar are the draw backs of programming lang step by step in Clang and next in C++ and next and in Java nad in .Net

 1657

Write a program that takes a 5 digit number and calculates 2 power that number and prints it.

 1 3506

what is default layout of JFrame class?

 6 24015

as we know a static method could access static data and static method only. then how could main method call the object of aclass which is not static and other non static data

 1 3057

Difference between Encapsulation and Abstraction

Fidelity,

4 9926

What is aggregation and composition ?

Fidelity,

1 5828

Can we add default constructor to Servlet?

Fidelity,

1 6095

How do u pass data from one jsp to another jsp?

Fidelity,

3 14165

what is the meaning of java.lang and java.util

 6 34632

if a java file without any source code is valid java file?

SparkTG,

3 8555

why string is not taking as primitive datatypes but we r taking it as a class? why explain it?

HP, SparkTG,

2 5257

What is the difference between the synchronized() & static synchronized()?

HP, SparkTG,

2 7557

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Un-Answered Questions { Core Java }

What does bitwise or mean?

563

What is percentage in java?

569

What is a class reference?

550

What is replacefirst in java?

567

How to handle a web browser resize operation?

539




What is a constructor, constructor overloading in java?

524

How many JVMs can run on a single machine and what is the Just-In-Time(JIT) compiler?

573

Difference between collection, collection and collections in java?

568

What is the difference between a method and a procedure?

541

Is it possible to use string in the switch case?

553

Write a program to solve producer consumer problem in java?

559

Explain the difference between jdk, jre, and jvm?

590

Do I need java for windows 10?

546

What is a newline character in java?

563

Does java vector allow null?

536

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