lect10 poo

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;

abstract class Type {
    public abstract String getType();
}

class MyInt extends Type {
    private int x;

    public MyInt(int x) {
        this.x = x;
    }

    @Override
    public String getType() {
        return "Type: MyInt";
    }

    @Override
    public String toString() {
        return String.valueOf(x);
    }
}

class MyString extends Type {
    private String string;

    public MyString(String string) {
        this.string = string;
    }

    @Override
    public String getType() {
        return "Type: String";
    }

    @Override
    public String toString() {
        return string;
    }
}

class MyColletion extends Type {
    List list;

    public MyColletion() {
        list = new ArrayList();
    }

    @Override
    public String getType() {
        return "Type: Collection";
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        MyColletion that = (MyColletion) o;

        return Objects.equals(list, that.list);
    }

    public void add(Object o) {
        list.add(o);
    }

    @Override
    public String toString() {
        String s = "[";
        Iterator iterator = list.iterator();
        while (iterator.hasNext()) {
            s += iterator.next().toString() + " ";
        }
        return s + "]";
    }
}

public class Main {
    public static void main(String[] args) {
        MyColletion myColletion = new MyColletion();
        myColletion.add(new MyInt(7));
        myColletion.add(new MyInt(4));
        myColletion.add(new MyString("Eu"));
        myColletion.add(new MyInt(12));

        MyColletion myColletion1 = new MyColletion();
        myColletion1.add(new MyInt(2));
        myColletion1.add(new MyInt(8));
        myColletion.add(myColletion1);

        System.out.println(myColletion);
        System.out.println(myColletion.equals(myColletion1));
    }
}