Interview Questions

Platform independence means that we can write and compile the java code in one platform (Eg Windows) and can execute the class in any other supported platform (Eg Linux,Solaris,etc).

• //               is a single line comment
• /*  */          is commenting on one or more lines
• /** */         is documentation comment

After you add a LINQ to SQL Classes item to a project and open the O/R Designer, the empty design surface represents an empty DataContext class ready to be configured. The DataContext class is a LINQ to SQL class that acts as a conduit between a SQL Server database and the LINQ to SQL entity classes mapped to that database. This class contains the connection string information and the methods for connecting to a database and manipulating the data in the database. It is configured with connection information provided by the first item that is dragged onto the design surface.

A pro forma invoice is a price quote and subject to change. Accounts Payable Services does not pay from pro forma invoices, statements, quotes or estimates.

Windows Server Backup is a feature released for the Windows 2008 that provides a number of solutions on backing up the data on your computer in case of a system failure or any other issue. Windows Server Backup can backup a few files to a whole server. The server backup is accessible through command lines and a management console

DispatchAction is an action that comes with Struts 1.1 or later, that let us combine Struts actions into single class, each with their own method. The org.apache.struts.action.DispatchAction class allows multiple operations to map to the different functions in the same Action class.

For e:g; html:hidden property="dispatch" value="error"/>

<SCRIPT>function set(target) {document. forms[0].dispatch. value=target;}</SCRIPT>

Following are the steps to create a simple AD rotator script without using database in PHP:

- All the ad’s can be collected in one place and be displayed randomly.rand() function can be used for this purpose.

- In order to NOT use any database, a flat file can be used to store the ad’s.

- In order to store the Ad’s information (HTML code), a flat file say “ad.txt” can be created.

- The random number can be stored in a variable 

$result_random=rand(1, 100);

- Conditions can be checked to display the ad’s.

if($result_random<=70)

{

      echo "Display ad1";

}