Interview Questions

Q:

What is a delegate?

Answer

A delegate declares a ref type that references a named of anonymous method. Delegates are secure and type-safe. Consider them as type safe function pointers.

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Subject: .NET

0 2090
Q:

What are the different types of system calls?

Answer

The main types of system calls are as follows:


Process Control: These types of system calls are used to control the processes. Some examples are end, abort, load, execute, create process, terminate process etc.


File Management: These types of system calls are used to manage files. Some examples are Create file, delete file, open, close, read, write etc.


Device Management: These types of system calls are used to manage devices. Some examples are Request device, release device, read, write, get device attributes etc.


Information Maintenance: These types of system calls are used to set system data and get process information. Some examples are time, OS parameters, id, time used etc.


Communications: These types of system calls are used to establish a connection. Some examples are send message, received messages, terminate etc

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Q:

In a class if private data member is declared then how to get value of that data member?

Answer

By using method.


The method used to get the data is called getter method.

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Subject: Java

0 2089
Q:

What are the advantages and disadvantages of using views in ABAP programming ?

Answer

advantages: view is used to retrieve the data very fastly from the database tables
* memory wastage is reduced
* faster than joins to retrieve the data from database tables



disadvantages:
* view is not a container,it will not hold the data
* view memory is not permanent memory

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Subject: ABAP

0 2087
Q:

What are JavaScript types?

Answer

Number, String, Boolean, Function, Object, Null, Undefined.

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Subject: Web Technology

0 2087
Q:

How to assign address to the reference?

Answer

ClassName refName = new ClassName();


or


ClassName refName;


refName = new ClassName();

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Subject: Java

0 2086
Q:

How many interactive reports did you write?

Answer

In an Interactive Report, user can define maximum 20 secondary lists.

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Subject: SAP

0 2085
Q:

What are the ways through which the files can be transferred to server?

Answer

- Files can be transferred to the server by using the FTP protocol also known as File Transfer Protocol. 


- FTP is used as a standard network protocol that transfers the file from one computer to another computer using the TCP protocol network.


- This uploads the pages and other documents that are stored in private disk to the public web hosting server. 


- FTP is used on a client server architecture that allows different controls and data connections between the client and the server. 


- FTP uses clear-text sign in protocol that allows the client to use the user name and password for authentication purpose.

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Subject: Web Technology

0 2084