Java

Im working on a programme on cloudsim using java eclisps, its about Genitique algorithme 

with algorithme bees life, the question is can any one help  me on that please. I have worked on may algorithme like pso, rond robin.. 

//ConvexHull.java
 
package convexHull1;
 
import java.awt.Canvas;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
 
import javax.swing.JFrame;
 
public class ConvexHull extends Canvas implements MouseListener{
    private static int countA;
    private static int countB;
    private static ArrayList<Point> A = new ArrayList<Point>();
    private static ArrayList<Point> B = new ArrayList<Point>();
    private static Graphics gDC;
    public ConvexHull() {
        // TODO Auto-generated constructor stub
        countA = 0;
        countB = 0;
        addMouseListener((MouseListener) this);
    }
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        JFrame jf = new JFrame("Convex Hull");
        ConvexHull convexHull = new ConvexHull();
        jf.setSize(800, 600);
        jf.setVisible(true);
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jf.add(convexHull);
    }
 
    public void paint(Graphics gDC)
    {
        PrintWriter out;
        String str = new String();
        try {
            out = new PrintWriter(new BufferedWriter(new FileWriter("hulloutput.txt",true)));
        str = "";
        for(int i = 0;i < countA;i++)
        {
            gDC.fillOval(A.get(i).getX()-5, A.get(i).getY()-5, 10, 10);
            str += A.get(i).toString() + " ";
        }
        out.println("All points");
        out.println(str);
        out.println("Points on the hull");
        str = "";
        for(int i = 0;i < countB;i++)
        {
            gDC.drawLine(B.get(i).getX(),B.get(i).getY(), B.get((i+1)%countB).getX(),B.get((i+1)%countB).getY());
            System.out.println(B.get(i).getX() + " "+ B.get(i).getY());
            str += B.get(i).toString() + " ";
        }
        out.println(str);
        System.out.println();
        out.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
     
    @Override
    public void mouseClicked(MouseEvent e) {
        // TODO Auto-generated method stub
         
    }
 
    @Override
    public void mouseEntered(MouseEvent e) {
        // TODO Auto-generated method stub
         
    }
 
    @Override
    public void mouseExited(MouseEvent e) {
        // TODO Auto-generated method stub
         
    }
 
    @Override
    public void mousePressed(MouseEvent e) {
        // TODO Auto-generated method stub
        int x = e.getX();
        int y = e.getY();
        Point point = new Point(x,y);
        A.add(point);
        countA++;
        while(!B.isEmpty())
            B.remove(B.get(0));
        //Jarvis.Solve(A, B);
        //Graham.Solve(A, B);
        //QuickHull.Solve(A,B);
        countB = B.size();
        repaint();
    }
 
    @Override
    public void mouseReleased(MouseEvent e) {
        // TODO Auto-generated method stub
         
    }
 
}