Java Tutorials with Internals

Sometimes I feel blessed that I got the chance to work with a technology which is given the greatest flexibility in its area compared to other ones. Yes, you are right I am talking about JAVA. What is my first requirement? Run my code anywhere . Java is the one which provides the facility to write my code and run it anywhere. How can I do so? Actually, JAVA provides a very good feature of byte code which is the intermediate form of the code after compilation and this byte code is the input for the machine specific interpretor which are different for different machines.What I need to remember is to just write my code and compile it properly and rest is with JAVA. Can I learn it easily? I think this is one of the best and easy language to work on. My statement is supported by the concept of OOP i.e. Object Oriented Programming. Yes, it is based on concept of Object Oriented which takes everything as an Object in the program and change it to the Class and Methods. e.g....