Interview Questions

Q:

What is Thread ?

Answer

A thread is a lightweight subprocess, a smallest unit of processing. It is a separate path of execution. It shares the memory area of process.



As shown in the above figure, thread is executed inside the process. There is context-switching between the threads. There can be multiple processes inside the OS and one process can have multiple threads.

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Subject: Java

0 2052
Q:

What is top level class?

Answer

Top level class is also called outer class. It is not defined inside any class.


Ex:


class A {  //top level class


 


}

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Subject: Java

0 2048
Q:

What is assembly manifest?

Answer

Assembly Manifest is a file that contains data that describes how the elements present inside an assembly are connected to each other. The assembly manifest contains assembly metadata to define the scope of the assembly and resolve references to resources and classes.

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Subject: .NET

0 2048
Q:

How do you traverse through a collection using its Iterator?

Answer

To use an iterator to traverse through the contents of a collection, follow these steps:


- Obtain an iterator to the start of the collection by calling the collections iterator() method.


- Set up a loop that makes a call to hasNext(). Have the loop iterate as long as hasNext() returns true.


- Within the loop, obtain each element by calling next().

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Subject: Java

0 2046
Q:

What is the difference between a BPO and a call center?

Answer

Call center is a subset of BPO. 

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Subject: Call Center

0 2046
Q:

Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?

Answer

An app will be in InActive state if it is running in the foreground but is currently not receiving events. An app stays in InActive state only briefly as it transitions to a different state.

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Q:

When does the SQL statement gets executed when you use cursor in the application programming?

Answer

SQL statement gets executed when we open cursor


 

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0 2042
Q:

What is database clusters?

Answer

Group of tables physically stored together because they share common columns and are often used together is called Cluster.

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