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Wipro Core Java Interview Questions

Questions Answers Views Company eMail

Is there any use of an abstract class which has no methods and no attributes?

1 4972

In Java why we write public static void main(String args[]) why not main()?

46 110075

What is inner class?what is the use of inner class?where we create the object for inner class? and inner class can extend any class or inner class can implement any interface?

1 2751

Hi Friends, Can u give few interview questions which relates ArrayList and Hashmap. I mean how to link ArrayList and HashMap.I know this is not good way of asking questions like this , but i need

1 5506

class a extends b { } class b extends a { } why java doesn't support cyclic pls explain me with example

3 10062

Can a class extend abstract class or interface? why

4 9839

if the memory capacity is 700 presently occupied by process is 690. then another process request space(40) how this situation handled in java.

4 7176

Java is based on pass by reference or pass by value ..

6 11152

Can an abstract class have a constructor?

1 9688

Differences between jdk 1.4 and 1.5

6 17779

what is Thread priority?

4 8260

What code optimizations techniques you follow in general practice?

2 7098

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

6 10380

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.

7 10456

how can i take the inputs from users in java program?

7 11683

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Wipro Core Java Interview Questions

Wipro Core Java Interview Questions (102)

Un-Answered Questions

What is the main difference between sort + and sort -?

326

How the HDFS Blocks are replicated?

1001

What does standard deviation mean?

688

Draw the flow of F.O. diagram from service tank to Main Engine?

2359

How do you disconnect from the database?

1044

What are adjustment entries? Why are they passed?

1174

Css rule to disable text selection highlighting?

857

What is port address?

1098

What happens to the current transaction if the session is ended?

1136

how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

2313

Elaborate the term WebService and how it differ from Remoting?

999

What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?

2776

Explain how zener diode maintains constant voltage across the load?

1066

How do destructors and garbage collection work in c#?

981

How do I freeze my screen when presenting?

382