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

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 10494

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

2 7823

what is a Daemon Thread?

2 5426

What is the performance issue in weblogic and how can you resolve ,explain in brief

HCL, IBM, TCS,

4 19104

How to synchronize jsp page?

Infotech, TCS,

1 7490

what are design patterns in java?give with example?

HCL, iGate,

2 7178

Why java is not a pure object oriented language?

IBM,

5 9088

how to run servlet program between two computer through internet ?

TATA,

1 3011

why java is platform independent?

IBM, SparkTG,

5 8381

Why JDBC has introduced

4 8790

how to run servlet program between two computer through the internet ?

Kiran Prakashan, TCS,

2 7055

can you use the two main method in same class?how?

DELL, Geosoft, SparkTG,

4 11203

which is the better collection class if the requirement is only displaying the data

1 4124

java program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.

HCL, Wipro,

7 10556

When we give defination of interface method in the class why method must be public???

2 4846

Un-Answered Questions { Java J2EE }

Write a program to print count of empty strings in java 8?

1077

Find Best Job Vacancies across the world on Jooble!

126

How to create a base64 decoder in java8?

1129

What is action chaining ?

1158

What is java string pool?

1076

What is parsing in java?

1025

What is a classloader in java?

1080

Is minecraft 1.15 out?

1035

What are the contents on web.xml in struts application ?

1058

What is a constructor overloading in java?

1119

Can we return resultset in java?

985

What is the difference between equals() and == in java?

1032

What is difference between @controller and @restcontroller in spring?

533

what are the different modes of archival? Explain each mode in two lines each?

994

Differentiate between static and non-static methods in java.

1115

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