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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

What is aggregation and composition ?

Fidelity,

1 6638

Can we add default constructor to Servlet?

Fidelity,

1 6950

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

Fidelity,

3 15560

what is diff btwn JNDI&JDBC?

CTS, JPMorgan Chase,

6 27721

how to enable conection poole shrinking??

CTS,

2 10264

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

6 36847

how can connection with oracle10g with java

IonIdea,

3 12328

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

SparkTG,

3 9986

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

HP, SparkTG,

2 6440

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

HP, SparkTG,

2 8743

which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?

HP, SparkTG,

6 11283

how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?

HP, SparkTG,

1 7310

what is object type casting? give some example with related?

HP, SparkTG,

2 9054

suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible

HP, Wipro,

6 10263

What is connection pooling? What Method and class used for Connection pooling in Java?

2 7728

Un-Answered Questions { Java Related }

What is empty string literal in java?

1074

What is hibernate and why it is used?

368

What is the purpose of @after annotation?

1067

What are the legal operands of the instanceof operator?

1055

What are the transaction isolation levels supported by weblogic jdriver?

961

why static class in java

1795

please send me hr interview questions in it industry

2147

Name some OOPS Concepts in Java?

1111

Explain the complete struts validator framework.

1038

Is a method a function?

1079

Why do we use thymeleaf?

539

What is tier in java?

844

What does transactional work mean?

417

Which class of struts is responsible to converts data types from string and vice versa?

1099

How many digits is int32?

1021

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