Hi All, There is a recent blog which I have written which I would recommend to read to know real world and how it relates to classes, objects before this. The blog can be found here Anything, We see around, which we can feel, Which we can see, all are considered as a "OBJECTS" . Any material as a matter of fact, say some gadget which is lying around which can be used to make a call, message is called a Object. So that object, we named it or categorized as a Mobile Phone . So all the Gadgets, which can be used to make a call will fall under a Class called "Mobile Phones"or just a "Phone". In general, We can say, All the classes are defined by Nature of Objects or in other words, All classes will have Minimum one Object (A Class can be created using one or more Objects). Another example would be, say for example, Cars. We have different type of Objects.. Meaning, Different type of Cars like BMW, AUDI, Mustang, Ford etc. On higher view, BMW, AUDI...