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 4866

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 4863

what is a Daemon Thread?

2 5230

How to synchronize jsp page?

Infotech, TCS,

1 7349

what are design patterns in java?give with example?

HCL, iGate,

2 6994

Why JDBC has introduced

4 8519

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

1 3989

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

iTrust,

1 4421

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 7491

How many JSP scripting elements and what are they?

TCS,

4 7332

What are the implicit objects?

HCL,

2 7918

which book is better for jdbc ,servlets and jsp

TCS,

2099

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

SAP Labs, TCS,

2275

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

1 2946

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

1 4515

Post New Advanced Java Questions

Un-Answered Questions { Advanced Java }

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

1136

What is the difference between system.out ,system.err and system.in?

1097

What is bean? Where can it be used?

1154

wahts is mean by dynavalidatorform in struts/

2064

What are the difference between RMI and CORBA?

1109

Which textcomponent method is used to set a textcomponent to the read-only state?

1124

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

1115

What is the difference between the font and fontmetrics classes?

1148

Explain ioc concept?

1138

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

1141

AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool?

2138

What is metaspace?

1024

How primary key is implemented in Oracle?

2436

whats is mean by tiles in struts

2214

Are enterprise beans allowed to use thread.sleep()?

1146

For More Un-Answered { Advanced Java } Questions Click Here