Mine

import java.math.*;
import java.awt.*;
import javax.swing.*;

class PolarPoint {
    //	 Punkt polaarkordinaatides
	private double a=0, l=0; // Pööre ja kaugus
	
	PolarPoint() {
		a = 0.0;
		l = 0.0;
		return;
	}	
	PolarPoint(double a, double l) {
		this.a = a;
		this.l = l;
		return;
	}	
	public void set(double a, double l) {
		this.a = a;
		this.l = l;
		return;
	}	
	public void setA(double a) {
		this.a = a;
		return;
	}	
	public void setv(double a) {
		this.a = a;
		return;
	}
	public double a() {
		return a;	
	}
	public double l() {
		return l;
	}
	public int x() {
		return (int) (Math.acos(a)*l);
	}
	public int y() {
		return (int) (Math.asin(a)*l);
	}
	// Ristkordinaatidest
	public void setCross(int x, int y) {
		this.a = (x!=0?Math.atan(y/x):(y==0?0:(y>0?90:-90)));
		this.l = Math.pow(Math.pow(x,2)+Math.pow(y,2), 0.5);
		return;
	}	
	// Suhteline ristkordinaatidest
	public void setCrossFrom(int x, int y, int u, int o) {
		x-=u; y-=o;
		this.a = Math.atan(y/x);
		this.l = Math.pow(Math.pow(x,2)+Math.pow(y,2), 0.5);
		return;
	}
	// Operaatorid
/*	
	ftw? Javas pole operaatoreid? OMG. Ma mässasin sellega 2h (kuigi oleks ilma saanud) 
	ja seepärast ei saanud kodutööga õigeks ajaks valmis. :/
	
	public boolean operator==(PolarPoint &other) {
		if ((this.a() != other.a()) || (this.l() != other.l())
			return false;
		else 
			return true;
	}
	public static PolarPoint operator +(PolarPoint p1, PolarPoint p2) {
		return new PolarPoint((p1.a()+p2.a())%360, p1.l() + p2.l());
	}
	PolarPoint operator-(PolarPoint other) {
		return new PolarPoint((other.a()-this.a())%360, other.l() - this.l());
	}*/
	
	public String cordsAsString(){
		return "a:"+a+" l:"+l;
	}
}

class Kolmnurk {
    Color serv;
    PolarPoint a, b, c;

    Kolmnurk(PolarPoint a, PolarPoint b, PolarPoint c) {
        this.a = a;
		this.b = b;
		this.c = c;
		serv = Color.black;
		return;
    }
    Kolmnurk(int x, int y) {
        this.a = new PolarPoint();
        this.b = new PolarPoint();
        this.c = new PolarPoint();
		this.a.setCross(x/2,0);
		System.out.println(" Kolmnurga nurga a kordinaadid on: "+a.cordsAsString());
		this.b.setCross(x,y);
		System.out.println(" Kolmnurga nurga b kordinaadid on: "+b.cordsAsString());
		this.c.setCross(0,y);
		System.out.println(" Kolmnurga nurga c kordinaadid on: "+c.cordsAsString());
		serv = Color.black;
	}
    void joonista (Graphics g) {
        g.setColor(serv);
        g.drawLine(a.x(),a.y(),b.x(),b.y());
        g.drawLine(b.x(),b.y(),c.x(),c.y());
        g.drawLine(c.x(),c.y(),a.x(),a.y());
		return;
    }
}

class Tahvel extends JPanel {
	Kolmnurk a;
	Tahvel(int max_x, int max_y){
		a = new Kolmnurk(max_x, max_y);
	}
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        a.joonista(g);
    }
}

class Animatsioon {
	private	static final int MAX_X=300, MAX_Y=300; 
    public static void main(String[] args) {
        JFrame raam = new JFrame("Kolmnurgad");
        raam.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        raam.setLocation(new Point(300, 200));
        raam.setSize(new Dimension(MAX_X, MAX_Y));
        Tahvel t = new Tahvel(MAX_X, MAX_Y);
        raam.getContentPane().add(t);
        raam.setVisible(true);
    }
}