Interview Questions

Q:

How to create a Delegate?

Answer

public delegate void Del<T>(T item);


Del<int> d1 = new Del<int>(Notify);

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Subject: .NET

0 2145
Q:

What is a sub query? What are its various types?

Answer

- Sub Query also termed as Nested Query or Inner Query is used to get data from multiple tables.
- A sub query is added in the where clause of the main query.

There can be two types of subqueries:
a.) Correlated sub query :
- It can reference column in a table listed in the from list of the outer query but is not as independent as a query.
b.) Non-Correlated sub query :
- Results of this sub query are submitted to the main query or parent query.
- It is independent like a query

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Subject: Oracle

0 2144
Q:

Demand side market failures occur when

A) supply curves do not reflect the full cost of producing a good or services B) demand curves do not reflect consumer’s full willingness to pay for goods or services
C) government imposes tax on a good or a service D) a good or service is not produced because no one demands it
 
Answer & Explanation Answer: B) demand curves do not reflect consumer’s full willingness to pay for goods or services

Explanation:

Market failure arises because it is not possible for the market to correctly weight cost and benefits in a situation in which some of the cost is completely unaccounted.

Demand-side market failures happen when demand curves do not reflect consumer’s full willingness to pay for goods or services.

Supply-side market failures occur when supply curves do not reflect the full cost of producing a good or services.

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Filed Under: Marketing and Sales
Exam Prep: Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 2143
Q:

How to insert Javascript in HTML?

Answer

We can insert JavaScript in HTML using <Script tag>. JavaScript can be enclosed in <script type = text/javascript> and ending with </script>.


Example: 


<html> 


  <body> 


        <script type="text/javascript"> 


               ...JavaScript….


         </script> 


   </body> 


</html>

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Subject: Web Technology

0 2140
Q:

Explain about roll area , Dispatcher, ABAP-Processor.

Answer

Dispatcher recieves the request from client and assigns the request to one of the work process.
Roll area: Each workprocess works in a particular memory that memory is known as Role Area, which consists of User context and session data.
ABAP- Processor :is an interpretor which can execute logic

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Subject: ABAP

0 2140
Q:

What is an ABAP/4 Query?

Answer

ABAP/4 Query is a powerful tool to generate simple reports without any coding. ABAP/4 Query can generate the following 3 simple reports: Basic List: It is the simple reports. Statistics: Reports with statistical functions like Average, Percentages. Ranked Lists: For analytical reports. - For creating a ABAP/4 Query, programmer has to create user group and a functional group. Functional group can be created using with or without logical database table. Finally, assign user group to functional group. Finally, create a query on the functional group generated.

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Subject: SAP

0 2139
Q:

How to do MultiThreading in Java?

Answer

To do multi threading in java we use interfaces and classes defined in java.lang package.


Those classes and interfaces are:


Java.lang.Runnable, Java.lang. Thread, Java.lang.ThreadGroup

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Subject: Java

0 2135
Q:

How to check that the file object is pointing a file on HD?

Answer

boolean isFile();

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Subject: Java

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