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Java J2EE Interview Questions
Questions Answers Views Company eMail

How many types of syncronization?

2 5236

What is race condition ?? (Threading concept) TCS 2 sept10

SparkTG, TCS,

3 7968

what is the difference b/w DispatchAction and LookUpDispatchAction?

Deloitte, iGate, Tech Mahindra,

1 6646

why we write public static void main (String args[]) in core java plz explain briefly??????????????????

HCL,

3 8641

shall we use any name for deployment descriptor of struts instead of struts-config.xml

Polaris,

3 9148

if i know the lenght of collection in hand, should I use Array or Arraylist? justify

iTrust,

1 4584

diffrence b\w println() and printf()

NIIT,

8 23911

if we give input as " hi how are you" then the output should be "uoy woh"...it should skip odd words in the input and should reverse even words from the end of string...can anyone help me to write this program in java

1 4277

What is weblogic unicasting and multicasting?

TCS,

4 20578

can we implement synchronization for handling multiple messages receieving through Mdb on message

IBM,

1 6103

How to pass session values from one servlet container to another servlet container? or how can we get session values of one container in another container?

IBM, Infosys, TCS,

6 21404

What is the use of collections in java? How it is implemented in real time applications?

2 12735

1) what is synchronization? 2)write a program to show synchronization ? 3) what is orm? 4) what is getTemplete method and hw u use it? 5)write a singleton program ? 6) what is IOC concept & explain it? 7) methods of spring? 8)explain spring framework? 9)what are the oops concept? 10)what r the diff types of exception? 11)what is AOP(assepct oriented programing)? 12)jsp life cycle? 13)servlet life cycle? 14)how to u catch ur exception when executing a query in hibernate? 15)write javascript function? 16)write a querry to join two tables? 17)wap to show inheritance and use of interface? 18)explain the project? 19)in spring bean class uses singleton or prototype? 20)Explain prototype?

Cap Gemini,

1 7606

1.) if we use "private" in place of "public" in public static void main()... 2.) if we use "int" in place of "void".... 3.) can we ommit "static" keyword from that statement.... 4.) also can we give the command line arguments type as int type or float,etc.(.i.e (string args[]))

1 6825

can i modify the data which are generated by the servlet

4 6878


Un-Answered Questions { Java J2EE }

Differentiate between static and non-static methods in java.

1115


Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2657


How to create a base64 decoder in java8?

1129


What is parsing in java?

1025


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

2859


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 do you know about validation plugin ?

1024


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

533


What is the difference between break and continue statements?

1117


How can you inject java collection in spring?

501


What is a classloader in java?

1080


How is declarative handling of exceptions done in struts ?

999


What is an object in java and how is it created?

1123


explain different ways of using thread? : Java thread

1077


i want test pattern of zylog company and some examples also

2855