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

Java J2EE (14736)
J2ME (151)
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Java Related Interview Questions

Questions Answers Views Company eMail

Any one can explain how the inerface uses in java. give with example.

1 2930

My Question is that i am using tag in my servlet and after compilation after that calling by url in my browser then images are not showing. Sometime images are showing and sometime is not showing. I am using Tomcat to run my servlets. Tell me if there any specification for image in servlets or what is solution for this ??

2 5355

interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?

2 5756

how can you say that java is independ language

TCS, Wipro,

2 5712

briefley expalin about the packages

3 4530

explain about method overloading and method overriding with difficult examples

4 7224

when a program class implements an interface it must provide behavior for..?

1 12171

create a midp application,where user can enter player name and points.the program saves the information to the record using RMS at MIDP device.program should also print out the top 10 player list to the end user.

3398

create a menu which has the following options:cut-can be on/off,copy-can be on/off,paste-can be on/off,delete-can be on/off,select all-put all4 options on,unselect all-put all 4 options off,using event handling in MIDP application

5683

who will give req's to u?. how they send req's to u? . what design documents contains?. when bugs raised on other developer code how to report to them?.(throgh mail or ........). how to retrive 100 recods from dao layer to presentation layer.using which collection?. what is sequence diagram.?.

iGate,

2325

how can i distribute 5GB of RAM to 3 JVM's in Linux 32 and 64- bit OS?

IBM,

2 7656

please any one explain this project: Minimizing recovery state in geographic ad hoc routing

IBM,

1 3671

explain the concept of virtual method invocation in polymorphism in detail?

TCS,

2218

what we can't do in jdbc but can do hibernate?

Cap Gemini,

3 10252

Addition to previous section relative word 5th one was Putrid ans: rotten, also there was prob. in 1st section on bucket weight ans:10kg, also there was a prob. on train speed to find bridge length ans:800 mtrs.

V2 Solutions,

2166

Un-Answered Questions { Java Related }

What is meant by session replication?

1011

What is executeupdate in java?

889

explain multi-threading in java?

1026

What is the use of http-tunneling in rmi?

1049

What are the main components of a class in java?

900

What is java life cycle?

1001

What does el mean in java?

1009

What do you understand by dependency injection?

447

How do you calculate roots in java?

1081

What is the local interface used by web logic server?

947

What you can do with node manager?

975

What is the difference in using Action interface and ActionSupport class for our action classes, which one you would prefer?

1179

What are thread groups?

998

Why serialization is used in java?

1062

Name three component subclasses that support painting?

1077

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