Interview Questions

Q:

What is the difference between start_form and open_form in scripts? Why is it necessary to close a form always once it is opened?

Answer

strat_form using this we can open many layoutses
open_form using this we can open the layout
performance will be high

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Subject: ABAP

0 2062
Q:

What is the difference between throw and throws clause?

Answer

A throw is used to throw an exception manually, where as throws is used in the case of checked exceptions, to tell the compiler that we haven't  handled the exception, so that the exception will be handled by the calling function.

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Subject: Java

0 2062
Q:

What does isNaN function do?

Answer

It Return true if the argument is not a number.

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Subject: Web Technology

0 2061
Q:

What is Broadcast ?

Answer

To send data/info to all of the members of the network..( simple 176.16.255.255 for class B network)

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0 2059
Q:

What is the difference between an Interface and an Abstract class?

Answer

An abstract class can have instance methods that implement a default behavior. An Interface can only declare constants and instance methods, but cannot implement default behavior and all methods are implicitly abstract. An interface has all public members and no implementation. An abstract class is a class which may have the usual flavors of class members (private, protected, etc.), but has some abstract methods.

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Subject: Java

0 2059
Q:

What is a CDATA section in XML?

Answer

CDATA - (Unparsed) Character Data


The term CDATA is used when you dont want some text data to be parsed by the XML parser.


A CDATA section starts with "<![CDATA[" and ends with "]]>": 

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Subject: Web Technology

0 2058
Q:

what are the types of standard SAP Internal Tables?

Answer

1)standered table


2)index table


3)hashed table


4)sorted table

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Subject: SAP

0 2057
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 2056