what is java

Java , yes java , you may ask what is java ,is it something we drink ... .No about not talking about what you are drinking here .Java here is one of the most known and used high level programming languages in the filed on computer science now .Many companies use this language to build large scalable enterprise systems. Java is now about 10 years old .It now contain many complex packages for graphics ,networking ,database, distributed objects and others .Java allow you to build desktop ,web, mobile ,and enterprise application .By learning java you will open a big chance to yourself to find a job as java developer with good price .

Java is platform independent this means you write your code once and it works on any platform (windows, Linux, SOLIRES, UNIX¦).Java complier is just in time compiler .This means your code is just executed the time you run the code. Java is based on virtual machine .When you compile your java source code a bytecode file created (.class) .This file is used for just in time compiling .To run java you will need first to install the java virtual machine which corresponding to your machine operating system.
And start Java.

Java technologies most known are j2se (for desktop application ),j2ee (enterprise applications),j2me (mobile applications ).