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 4749

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 4784

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 6910

Why JDBC has introduced

4 8392

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

1 3909

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

iTrust,

1 4336

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 7403

How many JSP scripting elements and what are they?

TCS,

4 7180

What are the implicit objects?

HCL,

2 7830

which book is better for jdbc ,servlets and jsp

TCS,

2052

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 2878

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

1 4452

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Un-Answered Questions { Advanced Java }

Why use POJO when I can use hashmap

2598

What is a modular application? What does module-relative mean?

1003

Why does the option tag render selected=selected instead of just selected?

1132

Why do I get a duplicate name error when loading a jar file?

1088

What is the map interface?

1087

What is the difference between ear, jar and war file?

1075

What modifiers may be used with an inner class that is a member of an outer class?

1008

What is the form of storage space in java?

2205

Difference between DurableSubscription and non- DurableSubscription?

2142

how do you Handle Front End Application data against DB with example?

1927

What is TL and its use?

2419

Where can I ask questions and make suggestions about seam?

1024

What is the relationship between an event-listener interface and an event-adapter class?

1085

What does module-relative mean?

1080

Is jvm a overhead?

1042

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