Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. This tutorial gives a complete understanding of Java.
Since the computer only understands the machine language (0's and 1's), java instructions must be translated into machine language(that is understood by a computer) by a special program known as the compiler prior to execution