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 4893

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 4898

what is a Daemon Thread?

2 5255

How to synchronize jsp page?

Infotech, TCS,

1 7374

what are design patterns in java?give with example?

HCL, iGate,

2 7032

Why JDBC has introduced

4 8558

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

1 4009

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

iTrust,

1 4449

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 7504

How many JSP scripting elements and what are they?

TCS,

4 7367

What are the implicit objects?

HCL,

2 7956

which book is better for jdbc ,servlets and jsp

TCS,

2106

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

SAP Labs, TCS,

2285

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

1 2962

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

1 4532

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Un-Answered Questions { Advanced Java }

What is the difference between java class and bean?

1091

the same information whether it will connect to the database or it will be used previous information?

1043

What is an abstract method?

1073

wahts is mean by dynavalidatorform in struts/

2080

What is a class loader? What are the different class loaders used by jvm?

1108

How to pass parameters in RMI?

2266

What is the difference between static and non-static with examples?

1948

Can I import same package/class twice? Will the jvm load the package twice at runtime?

1153

what are the advantages of JTA over JTS?

2213

Why are some of the class and element names counter-intuitive?

1149

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

1062

Do we need to override service() method

1731

What is the highest-level event class of the event-delegation model?

1104

What do you know about seam?

1061

A user of a web application sees a jsessionid argument in the URL whenever a resource is accessed. What does this mean? a. The form must have the field jsessionid b. URL rewriting is used as the session method c. Cookies are used for managing sessions

2246

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