Classes and Object

 Class is a blueprint of object

Object

1) Every object has attributes and behavior.

2) Software object stores its characteristics of attributes in VARIABLES or FIELDS.



3) Behavior is stored or created in method.




Comments

Post a Comment

Popular posts from this blog

Methods and Method overloading

Image
Method       Method declares executable code that can be evoked by passing fix number of values  Method statement    Public static (Both are declaring modifiers ) + return type or void    +    method name ( set of arguement values or parameters )    Method Overloading Multiple methods with same name but having different set of parameters    Method signature consists of name of method and uniqueness of declaring parameters  Parameters name is important in determining overloaded method  return type also.
Read more

Constructors

  Constructor is used for creating object i.e an instance of class Constructor can be overloaded by defining constructor with different formal parameters or arguements. If parameters are same in two constructors then their order must be different. Constructor chaining can be done by constructor overloading It can be done by using this keyword
Read more