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Java J2EE Interview Questions
Questions Answers Views Company eMail

suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible

HP, Wipro,

6 8245

What is connection pooling? What Method and class used for Connection pooling in Java?

2 6856

what is a Daemon Thread?

 2 4106

What is the performance issue in weblogic and how can you resolve ,explain in brief

HCL, IBM, TCS,

4 17081

How to synchronize jsp page?

Infotech, TCS,

1 6509

what are design patterns in java?give with example?

HCL, iGate,

2 5943

Why java is not a pure object oriented language?

IBM,

5 7188

how to run servlet program between two computer through internet ?

TATA,

2544

why java is platform independent?

IBM, SparkTG,

5 6579

Why JDBC has introduced

 4 7087

how to run servlet program between two computer through the internet ?

Kiran Prakashan, TCS,

2 5876

can you use the two main method in same class?how?

DELL, Geosoft, SparkTG,

4 9111

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

 1 3207

java program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.

HCL, Wipro,

7 8388

When we give defination of interface method in the class why method must be public???

 2 3757

Un-Answered Questions { Java J2EE }

How does jdbc driver work?

533

What is the default autowire in spring?

157

which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?

9215

What about master repository?

451

What are spring boot metrics? : Spring Boot

189




What do you understand by an io stream?

585

What is the difference between Jms and Jvt ?

529

What is a viewresolver in spring?

151

What are the States of the Weblogic Server ?

570

What is ide with example?

544

How do I insert an image file (or other raw data) into a database?

525

Is an array a vector?

550

Can you explain custom tag?

573

how to upgrade the weblogic server licence?

2202

Why do we use bufferedreader?

535

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