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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 4904

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

46 109029

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 2699

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 5459

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

3 9944

Can a class extend abstract class or interface? why

4 9680

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 7003

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

6 10955

Can an abstract class have a constructor?

1 9625

Differences between jdk 1.4 and 1.5

6 17609

what is Thread priority?

4 8098

What code optimizations techniques you follow in general practice?

2 7004

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 10220

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 10234

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

7 11465

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Wipro Core Java Interview Questions

Wipro Core Java Interview Questions (102)

Un-Answered Questions

What is being tracked?

515

If a variable is declared as private, where may the variable be accessed?

1067

How do we calculate the Out put voltage of generator, after the excitation is being given?

1938

Can you save the component programmatically?

1024

What is the use of send redirect () method?

1095

You are the project manger for Xylophone Phonics. They produce children's software programs that teach basic reading and math skills. You are ready to assign project roles, responsibilities, and reporting relationships. Which project Planning process are you working on? A. Resource Planning B. Organizational Planning C. Staff Acquisition D. Human Resource Acquisition

992

what is the need of a sealed class when we are having a structure

2356

Do we need to place 2nd and 3rd data in rack 2 only?

443

Why ph scale range is 14?

1110

How will you manage a team member who is more experienced than yours and what challenges will you face? ( that guy might be technically sound).

2387

How do I open a dll file in windows 8?

887

The mammals that lives at the greatest altitude is?

1040

Can you return null in c?

1176

What is a synonym? What are its various types?

1110

Define a managed code? : Dot net architecture

957