2016.03.01_java

//Teszt.java

package geom;

import geom.Pont;

public class Teszt {

    public static void main(String[] args) {
        System.out.println("Hello vilag!");
        Pont p1 = new Pont(3,5, "fekete");
        //System.out.println("(" + p1.x + "," + p1.y + ")");
        System.out.println("(" + p1.getX() + "," + p1.getY() + ")" + p1.getSzin());

        p1.setX(-3);
        System.out.println("p1:(" + p1.getX() + "," + p1.getY() + ")" + p1.getSzin());

        Pont p2 = new Pont();
        System.out.println("p2:(" + p2.getX() + "," + p2.getY() + ")" + p2.getSzin());

        System.out.println(p1.toString());

        Pont p3 = new Pont();

        System.out.println("p3:(" + p3.getX() + "," + p3.getY() + ")" + p3.getSzin());

        if (p2.equals(p3))
            System.out.println("egyenlő");
        else
            System.out.println("nem egyenlő");

        System.out.printf("%5s, %-6.1f%c\n", "alma", 4.56, 'x');
    }
}


//Pont.java

package geom;

import java.util.Objects;

public class Pont{
   private int x;
   private int y;
   private String szin;

   //public Pont(){}

    public Pont(int x, int y) {
        this.x = x;
        this.y = y;
        szin = "feher";
    }

    public Pont(int x, int y, String szin) {
        this (x, y);
//        this.x = x;
//        this.y = y;
//        this.szin = szin;
    }

    public Pont() {
        this (0, 0);
//        x = 0;
//        y = 0;
        szin = "feher";
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

    public String getSzin() {
        return szin;
    }

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

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

    public void setSzin(String szin) {
        this.szin = szin;
    }

    @Override
    public String toString() {
        return "(" + x + "," + y + ")" + szin;
    }

    @Override
    public int hashCode() {
        int hash = 3;
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Pont other = (Pont) obj;
        if (this.x != other.x) {
            return false;
        }
        if (this.y != other.y) {
            return false;
        }
        if (!Objects.equals(this.szin, other.szin)) {
            return false;
        }
        return true;
    }

}