class Prototype implements Cloneable {

    private String name;
    
    public void setName(String name) {
        this.name = name;
    }
    
    public String getName() {
        return this.name;
    }

    public Object clone(){
        try {
            return super.clone();
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
}

class ConcretePrototype extends Prototype {

    public ConcretePrototype(String name) {
        setName(name);
    }
}

public class DS05_Prototyte {

    public static void main(String[] args) {
        Prototype pro = new ConcretePrototype("prototype");
        Prototype pro2 = (Prototype)pro.clone();
        System.out.println(pro.getName());
        System.out.println(pro2.getName());
    }
}