polymorphism

 package com.company;

interface camera1{
    void takePicture();
    void recordVideo();
    private void greet(){
        System.out.println("hello world as f");
    }
    default void record4kVideo() {
        greet();
        System.out.println("Recording in 4k");
    }
}
interface wifi1{
    String [] getNetworks();
    void connectToNetwork(String network);
}
class MyPhone1{
    void callNumber(int phoneNumber){
        System.out.println("Calling.."+phoneNumber);
    }
    void pickCall(){
        System.out.println("connecting...");
    }
}
class mySmartPhone1 extends MyPhone implements camera1,wifi1{
    public void takePicture(){
        System.out.println("Taking picture");
    }
    public void recordVideo(){
        System.out.println("Taking picture");
    }
    public String [] getNetworks(){
        System.out.println("Getting list of networks: ");
        String [] networkList={"rohan,sigh,vashu,baagi"};
        return networkList;
    }
    public void connectToNetwork(String network){
        System.out.println("connected to"+ network);
    }
}
public class CWH_POLYMORPHISM {
    public static void main(String[] args) {
camera1 ref =new mySmartPhone1();
ref.takePicture();
//ref.getNetworks();
ref.record4kVideo();
ref.recordVideo();


    }
}