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Java J2EE Interview Questions
Questions Answers Views Company eMail

Can you explain the difference b/n abtract and interface with a good example,?In what cases we have use abtract and what case interface?

Satyam,

4 8424

what is singleton class? where it mainly used in the projects?

Satyam, Wipro,

5 20261

How to deprecate a method? Show it with proper example. Plz give the answer of this.Thanx in advance. mail me: tanzeem.akhtar@gmail.com

2 4596

What is compile time polymorphism?

CTS, Elementus Technologies, Oracle,

20 38967

What is run time polymorphism?

eClerx, Elementus Technologies,

6 18776

why is multiple inheritance not allowed in java?

Elementus Technologies, Huawei, Infosys,

7 15969

What is the ResourceBundle?

Elementus Technologies,

2 6807

Hey buddy.. can you please tell me about the use of marker interface? And is there any link between marker interface and factory methods? Thanks in advance.

2 6427

Hi, well i am unable to understand that why it is mandatory to have same hashcode, if two objects are same? Thanks in advance.

5 7247

Hi buddy, well i got that there is always a default constructor with abstract class. OK. But why not with interface? Thanks in advance.

2 5150

hi to all. well can you please tell me that why String class is immutable? Thanks in advance.

Huawei,

5 9795

1).Is Object class abstract or not? 2).Is main method(public static void main(String args[])low priority thread or high priority thread?

TCS,

3 10305

1).what is the difference between below examples String s="vijay"; String s=new String("vijay");

Mascon, Satyam, TCS,

12 19498

what are the different access specifiers that can be used by interfaces and abstract classes? can anyone give me detailed description on this

IBM, L&T,

11 25012

How will you create the class for the following scenario? Employees under one employee?

Bally Technologies,

2 6588


Un-Answered Questions { Java J2EE }

Differentiate between stored procedure and functions?

1056


What are the ways by which configuration metadata can be provided to the spring container?

486


What is hibernate search?

423


Specify the locations where spring can publish its artifacts.

392


What is ems queue?

973


How do I get the | symbol on my keyboard?

1084


What is local declaration?

966


Can we have multiple sessionfactory in hibernate?

405


Why vector is used in java?

1025


Why is java multithreaded?

986


What is Java Package and which package is imported by default?

1090


What is a managed webserver?

862


What do you understand by a Static Variable?

1212


Is entitymanager thread safe?

434


What are different ways to disable hibernate second level cache?

489