introduction to classes and objects in java

1. Class
A class is the blueprint from which individual objects are created. A class is a
user defined datatype
modifier class classname
{
data item1;
..
..
data item n;
member functions();
}

2. Class and object example

3. Constructors in java
Constructors are the functions that are executed
on the instance of creating an object for that
class.
Constructors can be overloaded.
Constructor must not have a return type.
Variables can only be assigned in constructors
but inside the class.

4. Example for Constructors