Technology Questions

Q:

What is the syntax to create the object?

Answer

new ClassName();


This expression creates object in heap area and returns that obj address. Here JVM creates object but JVM does not returns object original address. JVM returns duplicate address, duplicate address is also called as hashcode. 

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Subject: Java

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Q:

What are the different objects used in JavaScripts?

Answer

JavaScripts uses a hierarchical structure that applies to the objects in a document. There are some objects that show the relationship of one object to another using the language.

Window object: This is the topmost object in the hierarchy. It represent the content area of browser window that consists of HTML documents. Each frame is also a window that has some actions inside it.


Document object: This object gets loaded in a window and consists of objects of different kind in the model. It consists of the content that will be written in the script.

Form object: Form objects are used for more interaction with the users. It represents the form elements inside <FORM>...</FORM> tag.

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Subject: Web Technology

0 1840
Q:

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

Answer

FIND_GROUP(function) FIND_COLUMN(function)

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Q:

Why is it that you cannot overload the scope resolution operator (::)?

Answer

The main reason why the scope resolution operator (::) cannot be overloaded is that only operators that take in values as parameters can be overloaded. The scope resolution operator does not take a value as parameter.

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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 1836
Q:

What is SVG?

Answer

SVG stands for scalable vector graphics. It’s a text based graphic language which draws images using text, lines, dots etc. This makes it lightweight and renders faster.

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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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Q:

What is ERP?

Answer

 ERP is a package with the techniques and concepts for the integrated management of business as a whole, for effective use of management resources, to improve the efficiency of an enterprise. Initially, ERP was targeted for manufacturing industry mainly for planning and managing core business like production and financial market. As the growth and merits of ERP package ERP software is designed for basic process of a company from manufacturing to small shops with a target of integrating information across the company.

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Subject: SAP

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