Interview Questions

Q:

What is polymorphism?

Answer

It is the ability of an object to behave differently on different situations for the same message.

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Subject: Java

0 1940
Q:

How to set breakpoints?

Answer

Setting up the break points:



  1.  Go to the line where you need to mark the breakpoint.

  2.  Click with mouse on left corner margin of that line.

  3.  Another way is to press F9

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Subject: .NET

0 1940
Q:

The internal rate of return is defined as the

Answer

The Internal Rate of Return (IRR) is defined as the measure of an investment’s rate of return. It is also called the discounted cash flow rate of return.

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Subject: Bank Interview Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

0 1937
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 1936
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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0 1935
Q:

What is the differnce among public, protected and package access data?

Answer

If we are not using packages and if we are not using inheritance then there is no difference among public, protected and package access data.

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Subject: Java

0 1935
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 1932
Q:

Both PL/SQL and Java (or) .NET code can be used to create Oracle stored procedures and triggers. Which of the one should be used and why?

Answer

Even though both PL/SQL and Java (or) .NET can be used, PL/SQL stands above these two in terms of integration overhead. This is because Java is an open source proprietary and Data manipulation is slightly faster in PL/SQL than in Java. 

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Subject: Oracle

0 1927