Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

java is pure object-oriented programming language?why it is platform independent.

1 2858

Why should we use java?

IBM,

1 3043

How many Java environments are there?

Phantom Technologies,

1 3036

What is Java Classloader?

Phantom Technologies,

1 2932

How does JAVA ClassLoader work?

IBM,

1 4447

What is java class writing rules?

Oracle,

1 3263

What are possible key words, we can use to declare a class?

Tech Mahindra,

2 4010

How many types of modifiers are there?

Infosys,

1 3333

What are access modifiers?

Infosys,

1 3330

What are non-access modifiers?

Cognizant,

2 3832

How does access modifiers work?

Wipro,

1 2983

How does static modifier work?

Wipro,

1 3268

How does abstract modifier work?

Wipro,

1 2932

How does synchronized modifier work?

IBM,

1 2984

How does final modifier work?

Tech Mahindra,

1 3472

Un-Answered Questions { Java J2EE }

What are the approaches that you will follow for making a program very efficient?

1079

Is a boolean 1 bit?

1078

What are the action classes in struts?

1015

What is class level lock ?

1035

From the two, which would be easier to write: synchronization code for ten threads or two threads?

1057

What is j2ee explain the component of j2ee application?

854

Explain the difference between static and dynamic binding in java?

1070

what is the difference between websphere and weblogic?

987

Why socketutil is used?

1058

What is a JDBC 2.0 DataSource?

975

What is a newline character in java?

1041

What is the different between ResultSet and RowSet?

1032

What is a ternary operator in java? What is an interface?

1001

How do you implement one to many relationships in hibernate?

425

What is mutable object and immutable object?

1132

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