Technology Questions

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 2090
Q:

What is Constructor?

Answer

Constructor is not a special method.


Constructor is block of code that is executed automatically whenever object of the class is created.

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Subject: Java

0 2090
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 2084
Q:

Which standard govern parallel communications?

A) CAT 5 B) RS232
C) RS-232a D) IEEE 1284
 
Answer & Explanation Answer: D) IEEE 1284

Explanation:
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0 2083
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 2082
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 2080
Q:

What is the use of overloading ? or why overloading?

Answer

By using overloading we can add new functionality to the sub class.

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Subject: Java

0 2079
Q:

How to get last modified date of a file?

Answer

long lastModified();


we can give this return value to a date object and we can get data to be displayed.

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Subject: Java

0 2078