package punct;

public class Punct2D extends Object implements Cloneable { //catre clasa Clone pentru a nu mai arunca exceptie
    private double x;
    private double y;
    private String eticheta;

    static final double X_ORIG = 0; //final adica const
    static final double Y_ORIG = 0;
    static final String ETICHETA = "Origine";

    public Punct2D(double x, double y, String eticheta) {
        this.x = x; //este o eticheta a parametrului x, nu un pointer ca in C++
        this.y = y;
        this.eticheta = eticheta;
    }


    public Punct2D(){
        this.x=X_ORIG;
        this.y=Y_ORIG;
    }

    public double getX() {
        return x;
    }

    public double getY() {
        return y;
    }

    @Override
    public String toString() {
//        return "Punct2D{" +
////                "x=" + x +
////                ", y=" + y +
////                ", eticheta='" + eticheta + '\'' +
////                '}';

        return this.x + "," + this.y + "," + this.eticheta; // pentru fisiere, citire, scriere
    }

    public void setX(double x) {
        this.x = x;
    }

    public void setY(double y) {
        this.y = y;
    }

    public void setEticheta(String eticheta) {
        this.eticheta = eticheta;
    }

    @Override
    protected Object clone() throws CloneNotSupportedException { //in spate aloca memorie si daca nu mai este... arunca exceptie
        return super.clone();
    }


}

package punct;

public class UtilizarePunct2D {
    public static void main(String[] args){
        Punct2D p1 = new Punct2D();
        System.out.println(p1.toString());

//        Punct2D p2 = p1; //pointeaza catre adresa lui p1;
//
//        System.out.println(p2.toString());
//        p2.setEticheta("Punct 2");
//        System.out.println(p2.toString());
//        System.out.println(p1.toString());

        try {
            Punct2D p3= (Punct2D) p1.clone();
            System.out.println(p3.toString());
            p3.setEticheta("Punct 3");
            System.out.println(p3.toString());
            System.out.println(p1.toString());
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }

    }
}