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

What is command line argument

TCS,

1195

What is the difference between delete and delete[]

Amazon,

3 1546

What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?

1132

What is the purpose of the System class?

1002

Explain about oops concepts.

Aditi Placement Service,

1123

Difference between string s= new string (); and string s = "abv";?

Cap Gemini,

1216

Explain about complier design(phases)

Aditi Placement Service,

1084

Explain about doubly linked list

Aditi Placement Service,

1032

What is compiler and what its output.

Cognizant,

1152

What is runtime locatable code?

Cognizant,

1427

What restrictions are placed on method overriding?

1187

What is an array in java?

1199

Explain how can you debug the Java code?

BirlaSoft,

1069

Explain the difference between an Interface and an Abstract class?

BirlaSoft,

1172

Explain the purpose of garbage collection in Java?

BirlaSoft,

1031

Un-Answered Questions { Java J2EE }

What is Garbage Collection in Java

1084

Why static functions are used?

1097

What is IBM WebSphere?

858

What is a durable queue?

861

What is the difference between genericservlet and httpservlet

1094

Name the eight primitive java types.

1129

Explain the difference between abstract classes and interfaces in java?

1182

How we can you use preparedstatement.

969

What are the main components of the j2ee application?

925

how to develop the submit and search operations in single jsp using struts?

2991

List out five keywords related to exception handling ?

1018

What are the jdbc drivers in java?

1070

How will you compute size of a structure?

1181

Does spring jdbctemplate close connection?

415

WebSphere Application Server stores passwords XOR encoded. I'd like to use something stronger. What can I do?

941

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