Technology Questions

Q:

What is the difference between array and ArrayList ?

Answer

Array is collection of same data type. Array size is fixed, It cannot be expanded.


 


But ArrayList is a growable collection of objects.ArrayList is a part of Collections Framework and can work with only objects.

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Subject: Java

0 1876
Q:

What is web application?

Answer

Web application provides services (Free and Paid) apart from information.


Ex: Online Banking System


It provides Bank  information , Branches & ATM information, Loans information etc...


And It provides balance enquiry, Fund transfer, Bill payments like services.

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Subject: Web Technology

0 1874
Q:

What is Web Server?

Answer

Web server handles client side and server side validations and helps to deliver web content that can be accessed through the Internet protocols.


Examples:


Microsoft IIS (Internet Information Service)


Apache web server from Apache


Java web server


Pramathi web server etc...

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Subject: Web Technology

0 1874
Q:

What are the built-ins used for finding Object ID function?

Answer

FIND_GROUP(function) FIND_COLUMN(function)

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2 1871
Q:

How can you have different number of cells for each row of a table?

Answer

By setting the columnSpan property for cells of each row as required.

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0 1870
Q:

Whats a struct?

Answer

A struct is a special C data type that encapsulates other pieces of data into a single cohesive unit. Like an object, but built into C.

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0 1868
Q:

Differentiate between Canvas and SVG.

Answer

Some important differences between Canvas and SVG:


- Canvas is resolution dependent while SVG is not. 


- Canvas does not provide any support for event handlers while SVG does. 


- Canvas is suitable for graphic-intensive games while SVG is not suitable for gaming.


- Canvas is suitable for small rendering areas while SVG is suitable for large rendering areas like Google maps.

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Subject: Web Technology

0 1865
Q:

What is the Use of SPAN in HTML and give one example?

Answer

The <span> tag is used to group inline-elements in a document.


The <span> tag provides no visual change by itself.


The <span> tag provides a way to add a hook to a part of a text or a part of a document.


 


EX :


<p>My Car Color is <span style="color:blue">blue</span> </p>

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Subject: Web Technology

0 1865