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

Core Java (6529)
Advanced Java (552)
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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

What is math in java?

1 1129

What is incompatible types in java?

1 1096

What is floor math?

1 1090

How does hashset work in java?

1 1188

How do you convert an int to a double in java?

1 1118

How do you do absolute value in java?

1 1038

What is the use of math abs in java?

1 1079

What is math floor in java?

1 999

Is math an abstract class in java?

1 1091

How do you reverse a string in java?

1 1215

How do you check if a number is a perfect square?

1 1045

Can we sort hashset in java?

1 1137

What is square root in java?

1 1186

How do you calculate roots in java?

1 1166

What is java ceil?

1 1081

Un-Answered Questions { Java J2EE }

Write a function to print Fibonacci series and Tribonacci series?

1231

Define reflection.

1059

What are the major drawbacks of external iteration?

1110

Can we declare an array without size in java?

1070

Is treeset sorted in java?

1054

What is caller principal?

1019

Name the eight primitive java types.

1212

What is orm and odm?

432

What are class members by default?

1147

In how many ways we can create threads in java?

1285

What is apache struts vulnerability?

995

What is the diffrence between a local-tx-datasource and a xa-datasource?

1116

What is an immutable object? How do you create one in java?

1115

What is proper subset?

1028

What is the importance of main method in Java?

1112

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