Advanced Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Advanced Java Interview Questions

Questions Answers Views Company eMail

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 4755

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 4789

what is a Daemon Thread?

2 5102

How to synchronize jsp page?

Infotech, TCS,

1 7266

what are design patterns in java?give with example?

HCL, iGate,

2 6913

Why JDBC has introduced

4 8392

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

1 3911

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

iTrust,

1 4338

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 7406

How many JSP scripting elements and what are they?

TCS,

4 7187

What are the implicit objects?

HCL,

2 7832

which book is better for jdbc ,servlets and jsp

TCS,

2054

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

SAP Labs, TCS,

2234

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

1 2879

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

1 4453

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Un-Answered Questions { Advanced Java }

Difference between new operator and class.forname().newinstance()?

1092

How can I scroll through list of pages like the search results in google?

925

when A client sent a request to the server to open facebook page and close the browser after this request .at that time the same user do login by using a different browser then that session id will exist or not for the same client??

1497

Is the infobus client side only?

1067

What restrictions are placed on the values of each case of a switch statement?

962

what are getters and setters in Java with examples?

1739

What is the difference between the font and fontmetrics classes?

1094

How can I avoid validating a form before data is entered?

966

What is the difference between RMI registry and OS Agent?

1081

What is re-entrant. Is session beans reentrant. Is entity beans reentrant?

1024

What is the difference between the ‘font’ and ‘fontmetrics’ class?

1115

How substring() method of string class create memory leaks?

1002

What is the purpose of the notify() method?

1024

Java is fully object oriented languages or not?

956

What is scalable, portability in the view of J2EE?

2485

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