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Java J2EE Interview Questions
Questions Answers Views Company eMail

please mail me the interview question based on java/j2ee

Wipro,

1947

Difference between Encapsulation and Abstraction

Fidelity,

4 11623

What is aggregation and composition ?

Fidelity,

1 6605

Can we add default constructor to Servlet?

Fidelity,

1 6914

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

Fidelity,

3 15498

what is diff btwn JNDI&JDBC?

CTS, JPMorgan Chase,

6 27627

how to enable conection poole shrinking??

CTS,

2 10209

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

 6 36755

how can connection with oracle10g with java

IonIdea,

3 12249

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

SparkTG,

3 9928

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

HP, SparkTG,

2 6399

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

HP, SparkTG,

2 8682

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 11199

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 7272

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

HP, SparkTG,

2 9015

Un-Answered Questions { Java J2EE }

What is the purpose of action tag in struts.xml?

1021

What is a ternary operator in java?

978

Does set allows null in java?

954

Explain about the architecture of web sphere?

934

What are the uses of java?

1088

What are espots and how do we manage them?

890

When should I use a singleton?

1044

What is the function of lightweight components used in swing?

1036

Can a constructor be made final?

1108

What is mdb in ejb?

959

How many bits is a word?

998

What is the use of entitymanager in hibernate?

376

Can we have multiple public classes in a java source file?

1187

What is jms in java with example?

862

What is variable explain?

997

For More Un-Answered { Java J2EE } Questions Click Here