Summary of OOP lessons on the 16th of October 2012

.Summary from OOP lessons 16 October 2012.

Some of Access Modifier

• public : it means able be access to all package
• private : it means only able access in the class it made before.
• protective :extends : express the subclass  or  childclass

• instantiation : is making variable become object with example

new name.variable();

• inheritance : is degration from parent class to the subclass.
• abstraction : is making a class
• polymorphsm : is a decleration object that change or change the form.

• when we write "public abstract class Aves" : it means can't be a object. it purposes for avoiding a mistake.

• Constructur : is making the same method to the same class

      the example of methode overloading :  

     public Bird(int v)

       {                   

            super ();

            this.flyVelocity = 0 ; /*contoh konstruktur*/

            System.out.println("kecepatan burung = 7");

         }

     public Bird (String x)

    { super ();

      this.food = null ;

      System.out.println("makanan burung = taik ");

    }

• its same with methode overloading : but the condition, the signature  must be diffrent. 
• the example of signature is public (name.variabel like int or string)

   { super (); this.furColor=;

                               }

                         example : public bird (int) with public bird (string)

• method overwrite : the same methode in the subclass or in the condition must be same
• we use super for the parents contructur and constructur proccess when the instatiation.