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 get the last 10 elements using logic:iterate in struts with hiernate from database.

Wipro,

4504

I declared main() method as private. But it still running and displaying the output. Please Answer it . Code Snippet as Below: import java.io.*; class over { private static void main(String[] args) { int high = Integer.MAX_VALUE; int overflow = high + 1; int low = Integer.MIN_VALUE; int underflow = low - 1; System.out.println(high + "\n" +overflow +"\n"+ low +"\n"+underflow); //System.out.println(overflow); //System.out.println(low); //System.out.println(underflow); } }

Cap Gemini,

4 7429

Hi Every One I Have Small Doubt Please answer This???????????????????????????? I Want to use AbstractList class methods(java.util.AbstractList) My Program is import java.util.*; class DemoOne extends AbstractList { public static void main(String[] args) { AbstractList a=new DemoOne();//This One is Correct?? DemoOne a1=new DemoOne();//This One is Correct?? Both Are Not Working System.out.println("Hello World!"+a); System.out.println("Hello World!"+a1); } } Error IS: DemoOne.java:2: DemoOne is not abstract and does not override abstract method get(int) in java.util.AbstractList class DemoOne extends AbstractList AnyOne can Please Provide The Solution????????????????????????? Plzzzzzzz

3 4819

how system.out.println() works?

2 5124

In Inheritance if we are implementing Multi level inheritance and all class having same name of variable and now i want to access each class variable and how it is possible?

2 5049

What is the alternate of 'Inheritance' ?

CybAge, HCL,

4 13925

In how many ways we can install SSL certs in Websphere Application server and how can we troubleshoot incase of any issues/problems?

HSBC,

2 10912

I have 4 jsp pages .At last page we have a submit button when we click it it will store all jsps data which we provide will store into database. how we can make it possible

MNC,

1 4895

explain how many oops concepts available in java with realtime scenarios?

TCS,

1 14240

int a=1,b=10; System.out.println(a+b--);

HCL,

12 17189

how to debug struts project in netbean ?

2355

Open the find box and editing the text in text box then what is name for this dialog box??

2356

hi friends, i have done my BE(CSE)at 2011 then i have joined one company before they asked me 50k so i paid but now they telling no project here so we r going to close like that so now i need any job i have good knowledge in core java and j2ee(jsp,servlet,jdbc) so if u know any job pl help me

Infosys,

2217

where you use thread in your java project?

Cap Gemini,

1 6994

1) Find the Merge point of two linked lists. 2) Swap two bits of integer. 3) Reverse individual words of the sentence. 4) Reverse string without using temp string.

HCL,

2 6575

Un-Answered Questions { Java J2EE }

Why the concept of single thread model interface is used?

990

Difference between predicate, supplier and consumer ?

1052

How many types of injection are there in spring?

436

What is the difference between Session bean and Entity bean?one?

1127

What is a fulfillment center? Can a store have a multiple fulfillment centers?

841

What happens if an exception is not handled in a program?

1097

What is difference between actionform and dynaactionform?

1034

What are the different ways to set up a class like spring bean?

445

Why swings are called lightweight components?

1047

Which technologies can be used at view layer in struts?

1077

What does java se mean?

1024

How does singleton class work?

985

What is @joincolumn?

661

What is the use of liferay portal?

463

What is ejb javatpoint?

982

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