What  is XOAD (PHP and Ajax)?

XOAD,an acronym for XMLHTTP Object-oriented Application Development., is a server-side Ajax toolkit written in PHP.

java.io.FileInputStream is a concrete subclass of java.io.InputStream.,

A FileInputStream obtains input bytes from a file in a file system. What files are available depends on the host environment.

FileInputStream is meant for reading streams of raw bytes such as image data. For reading streams of characters, consider using FileReader.

 Ajax is a new web application model, but Michael Mahemoff, an ajax expert, identified several key principles of good Ajax applications that are worth repeating:

What Is Ajax (Ajax in action?

Ajax stands for Asynchronous Javascript And XML. Although strictly speaking Ajax itself is not a technology, it mixes well-known programming techniques in an uncommon way to enable web developers to build Internet applications with much more appealing user interfaces than those to which we have become accustomed.