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 the purpose of a transaction monitor?

1 5103

How is database middleware used to access legacy databases?

1 4547

Explain about J2EE Application Architecture

1 11074

what is difference between abstraction and interface?

FIC,

8 13732

waht happens when a return type ,even void is specified for a constructor?

11 35688

Describe inheritance as applied to java?

4 11937

what is a package?

11 16234

what is a thread?

IBM, SunGard,

13 22666

What is difference between Forward() and sendRedirect() methode?

Polaris,

14 31433

class{ ... ... interface myinterface{ ... ... } abstract class{ .. .. } ... .. .. } is this possible to write "Interface and/ or Abstract class inside a class ? if possible whcich one is possible is only interface? is only abstract?

Logica CMG,

2 8476

class A{ m2(){ } } class B extends A{ m2(){ } } class c extends B{ m2(){ } } class my_class extends c{ m2(){ } pulic static void main(){ ...My_class a = new my_class(); super.super.super.m2(); is this is leagal if not find what is the legal procedure in order to call A's version of m2(); }

Logica CMG,

8 21115

Name the Implicit variable which is used to access other implicit objectes present in JSP.

AZTEC,

7 19777

How ThreadSafe page attribute will be working in Servlet as well as in JSP?Automatically ThresdSafe is true in JSP so service method will be destroy in each and every request or not?so how thresd will handle srevice method?

AZTEC,

1 6054

what is the difference between Servlet and JSP?Advantage of JSP over Servelt?Any concept present in JSP which we cant implement in Servlet?

ABC, Apere, AZTEC, CTS, CybAge, iFlex, Impact Systems, Sara, TCS,

31 146575

Difference between Include, Forward and sendRedirect in Servlet?

AZTEC, KPIT, TCS,

7 73092

Un-Answered Questions { Java J2EE }

What are the differences between heap and stack memory in java?

1122

How to create a base64 decoder in java8?

1128

Realized?

2250

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

993

Is minecraft 1.15 out?

1034

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2257

What is the difference between break and continue statements?

1116

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

1095

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2413

What is java string pool?

1075

What is action chaining ?

1156

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

533

Differentiate between static and non-static methods in java.

1115

What is a classloader in java?

1080

What is a constructor overloading in java?

1119

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