Ponit.java

public abstract class Point {
    private int x;
    private int y;
    private int z;

    public Point() {
        x = 3;
        y = 4;
        z = 5;
    }

    public Point(int x, int y, int z) {
        setX(x);
        setY(y);
        setZ(z);
    }

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

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

    public void setZ(int z) {
        this.z = z;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return  y;
    }

    public int getZ() {
        return z;
    }

    public String toString() {
        return "(" + x + ", " + z + ", " + y + ")";
    }

    public abstract int calcArea();
    public abstract int calcVolume();
    public abstract DrawFigure drawFigure();
}