Java Object and Class
18:12:00
Class
Class is a collection
of similar type of objects which have
some common properties.
some common properties.
Also class contains
Variables / data
members
Inner/sub classes
Constructor
Methods
Static variable /
methods
If abstract class in
the sense it can contain abstract method();
Object
Object is any real world entity which have
physical
existence either living or non-living.
existence either living or non-living.
Object is a blueprint of an class.
Example:
Class Demo
{
int a= 10; // variable a & b is now object
inside the Demo class
int b= 10;
String name = "world";
Void methodName() //its an object inside the Demo class
{
System.out.println("Hi...");
System.out.println("Hi...");
}
}
public class MainClass
{
public static void main(String args[])
{
Demo objref = new Demo();
objref.mehodName();
}
}
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