Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

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

1 4727

where exactly collections are usefull in realtime

2 10265

What is the use of static import ?

Rolta,

4 9885

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

2071

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

1 4149

what is default layout of JFrame class?

6 26316

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 3776

Difference between Encapsulation and Abstraction

Fidelity,

4 11482

What is aggregation and composition ?

Fidelity,

1 6538

Can we add default constructor to Servlet?

Fidelity,

1 6864

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

Fidelity,

3 15392

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

6 36537

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

SparkTG,

3 9784

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

HP, SparkTG,

2 6306

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

HP, SparkTG,

2 8561

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Un-Answered Questions { Core Java }

What is the largest long allowed by java?

1021

What is a classloader in java?

972

What is difference between final and finally in java?

1046

How do you start a new line in java?

940

What is the disadvantage of synchronization?

973

What are the types of web technologies?

1011

How do you override a method in java?

966

What is java string pool?

966

Is set ordered in java?

951

What is class array in java?

996

How to sort double array in java?

955

What does function identity () do?

927

What is a ternary operator in java?

955

What are peerless components?

1039

Why Java doesn’t support multiple inheritance?

1002

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