package leetcode;

public class Main {

public static void main(String[] args) {

Fruit[] fruit = new Apple[10];

fruit[0] = new Apple();

fruit[1] = new Jonathan();

try {

fruit[0] = new Fruit();

System.out.println("add fruit in index 0");

}catch (Exception e){

System.out.println("cant put fruit in index 0");

}

try {

fruit[0] = new Orange();

System.out.println("add orange in index 0");

}catch (Exception e){

System.out.println("cant put orange in index 0");

}

}

}

class Fruit{}

class Apple extends Fruit{}

class Jonathan extends Apple{}

class Orange extends Fruit{}