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Advanced Java Interview Questions
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i have a 1000 objects in data base i need to display those in jsp's how can i retrive those objects in jsp. (consider the performance issue)

 2 4250

What is the O/P of the below Code Snippet ? And how does it imply the concept of call-by-value/call-by-reference. (Note : Pls ignore syntx errors) public class One { sop ("Into One--"); } public class Two extends One{ sop ("Into Two--"); } public class Home { One a; Two t; public static void main(argv[]) { sop ("In Home--"); sop(One.a); sop(Two.a); sop(One.t); sop(Two.t); } }

Wipro,

2 4309

what is a Daemon Thread?

 2 4570

How to synchronize jsp page?

Infotech, TCS,

1 6828

what are design patterns in java?give with example?

HCL, iGate,

2 6322

Why JDBC has introduced

 4 7653

which is the better collection class if the requirement is only displaying the data

 1 3561

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

iTrust,

1 3894

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 6881

How many JSP scripting elements and what are they?

TCS,

4 6295

What are the implicit objects?

HCL,

2 7315

which book is better for jdbc ,servlets and jsp

TCS,

1832

how to use debug in my elipse to solve problems that exist in my project

SAP Labs, TCS,

1967

which of the following authentication is stronger than the others? a. Http Basic b. Http DIGEST c. Form based

 1 2595

which deployment descriptor element is used to configure the authentication method? a. auth-config b. login-config c. sec-config

 1 3977

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Un-Answered Questions { Advanced Java }

What must a class do to implement an interface?

757

Is “abc” a primitive value?

805

which type of objects reference will be given to client?

2243

Difference between hashmap and hashtable?

816

What is an abstract method?

782

What is the purpose of the notifyall() method?

791

what is a portable component?

1654

What are the types of scaling?

784

whats is mean by connectionpooling

1759

Which javutil classes and interfaces support event handling?

778

How database connectivity in XML is achieved?

1923

How to implement RMI in Java?

2607

Describe, in general, how java's garbage collector works?

736

What is a policy?

2003

What is JTS?

2063

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