22_Polymorphism

package com.company;

interface MyCamera{
    void takeSnap();    
    void recordVideo();
    private void greet(){
        System.out.println("Good Morning");
    }
    default void record4KVideo(){
        greet();
        System.out.println("Recording in 4k...");
    }
}

interface MyWifi{
    String[] getNetworks();
    void connectToNetwork(String network);
}

class MyCellPhone{
    void callNumber(int phoneNumber){
        System.out.println("Calling "+ phoneNumber);
    }
    void pickCall(){
        System.out.println("Connecting... ");
    }

}

class MySmartPhone extends MyCellPhone implements MyWifi, MyCamera{
    public void takeSnap(){
        System.out.println("Taking snap");
    }
    public void recordVideo(){
        System.out.println("Taking snap");
    }
    //    public void record4KVideo(){
//        System.out.println("Taking snap and recoding in 4k");
//    }
    public void GPS(){
        System.out.println("GPS");
    }
    public String[] getNetworks(){
        System.out.println("Getting List of Networks");
        String[] networkList = {"Harry", "Prashanth", "Anjali5G"};
        return networkList;
    }
    public void connectToNetwork(String network){
        System.out.println("Connecting to " + network);
    }
}
public class Polymorphism {
    public static void main(String[] args) {
        MyCamera cam1 = new MySmartPhone();  // It can only access the functions in MyCamera
        cam1.record4KVideo();
//        cam1.getNetworks;             // Not Allowed due to polymorphism
        MySmartPhone msp = new MySmartPhone();
        msp.GPS();
    }
}