java practical interface

 /*

interface ---aker besi impliment kora jay kintu class aktai extend
             kora jay.
abstruct----onek interfaceko aksathe implement kore class bananno jaya
            also akta class extend kora jay.

 */




package com.company;


interface Bicycle{
    int a =50;
    void applybreak(int decrement);
    void speedup (int increment);
}

interface HornBicycle{
    void blowHornk3g();
    void blowHornk1g ();
}
class avoncycle implements Bicycle,HornBicycle{
    void  blowhorn(){
        System.out.println("pee pee poo poo.tujhe dekha to yeah jana sanam");
    }
    //----------interface method alway public------
    public  void applybreak(int decrement){
        System.out.println("apply break");
    }
    public void speedup (int increment){
        System.out.println("applyying speedup");
    }

   public void blowHornk3g(){
        System.out.println("pe pe pe pe kavi khusi khavi gam");
    }
  public  void blowHornk1g (){
        System.out.println("mya hu na po po po po");
    }
}




public class cwh_chapter11_interfaces {
    public static void main(String[] args) {
    avoncycle cycleharry=new avoncycle();
    cycleharry.applybreak(2);
        System.out.println(cycleharry.a);


        //but you can not create propeties in interface----------
        //you cannot modify the properties in interfaces as their final
        //---------//cycleharry.a=80;
        System.out.println(cycleharry.a);

        cycleharry.blowHornk3g();
        cycleharry.blowHornk1g();


        //multiple inheritance is not supported in java
        /*
        when there exist method with same signature in both super class.
        java does not support multiple inheritance directory but similar
        concept can be achieved usuing  interface
        a class can implement  multiple interfaces and extend
         a class at the same time

         */


    }
}