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

How can I right-justify a string?

Aspire, Infogain,

1165

How would overload a function based on return type?

Genpact,

957

Which method you will use to create a new file to store some log data. Each time a new log entry is necessary, write string to the file in java ?

HCL,

1154

Write a program to find the whether a number is an Armstrong number or not?

Aspire, Infogain,

1020

Is it possible to use Semaphore/ Mutex in an Interrupt Handler?

Ciena,

1084

Explain Basics of OOP Language in java

Atos Origin,

1052

What is an empty class? What functionality does it offer in Java?

Deloitte, EXL, JPMorgan Chase,

1267

Give any two differences between C++ and java.

GrapeCity,

1137

What do you mean by Hash Map and Hash Table?

Atos Origin,

1084

Why is String immutable?

Atos Origin,

1051

What is a local block?

Global Logic,

1129

What do you mean by exception handling in Java?

Atos Origin,

1285

What are dot operator queries?

Atos Origin,

1103

What are annotations in java?

Impetus,

1088

What is the use of a copy constructor?

Flextronics,

986

Un-Answered Questions { Java J2EE }

How many jdbc driver types are there?

920

What are the different types of classes in the api component?

965

spring configuration file

442

What is the main difference between @requestparam and @pathvariable annotation?

440

What is the default value of byte datatype in java?

933

What is orphan removal in hibernate?

331

What is purpose of hibernate?

570

Why is spring boot preferred for microservices? : Spring Boot

429

What are autoboxing and unboxing? When does it occur?

946

What is aop proxy?

436

What is formatted output?

950

What is hibernate used for?

467

What is function and method in java?

946

What is variable and rules of variable?

1017

what is inner class in java?

1129

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