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 to create an applet

2 4384

what is difference between object state and behaviour?

3 16207

WAS Version 6.0 and 6.1 difference?

IBM,

4 9807

what really hapens when a object is created using new operator? 1.is it allocates memory to all variables and methods in the class with reference to that object?

3 5514

Is java pure object oriented or not? if yes, give the valid reason.

Emphasis, NIIT, Syntel, Wipro,

13 21818

How many types of thread in java? give the name

Cisco, NIIT,

13 54116

If i learn Java, what kind of applications can i create that will help Banking, Retail, Hotel, Logistics industry.

2 5231

I facing problems while explaining project details in the interview...... can any tell complete project architecture that followed in companies

ID,

1 6354

Is there any way to find whether software installed in the system is registered by just providing the .exe file? I have tried the following code but its just displaying the directory structure in the registry. Here the code : package com.msi.intaller; import java.util.Iterator; import ca.beq.util.win32.registry.RegistryKey; import ca.beq.util.win32.registry.RootKey; public class RegistryFinder { public static void main(String... args) throws Exception { RegistryKey.initialize(RegistryFinder.class.getResource("jRe gistryKey.dll").getFile()); RegistryKey key = new RegistryKey(RootKey.HKLM, "Software\\ODBC"); for (Iterator subkeys = key.subkeys(); subkeys.hasNext();) { RegistryKey subkey = subkeys.next(); System.out.println(subkey.getName()); // You need to check here if there's anything which matches "Mozilla FireFox". } } }

Google,

1804

why java is better then .net?

HCL, iGate,

5 9201

What is an anonymous class?

IBM,

1 5432

How to do registration form using struts and hibernate?

1 7309

WHAT IS JDK,JVM,CLASS DEFINE ALL?

2 4602

i don't want fullforms of JDK an JVM i want definitions for them

2 4884

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

CTS,

2784

Un-Answered Questions { Java J2EE }

What is autowired in spring boot? : Spring Boot

536

Where jdbc drivermanager class is used?

967

What are the components of struts framework?

1027

What does this () mean in constructor chaining concept?

1125

What is difference between fileinputstream and filereader in java?

1070

Why is autowired used?

387

How can you make the connection using jdbc?

1046

What are design patterns and please explain?

1090

What is the role of class.forname while loading drivers?

1009

Explain url encoding?

996

How a database driver can be loaded with jdbc 4.0 / java 6?

942

What are the steps of orm?

348

What is the list interface?

1082

What is a arraylist in java?

1075

Explain about struts dispatch action?

998

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