import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;

public class Graphika extends MIDlet{
		public void destroyApp(boolean unconditional){notifyDestroyed();}
	public void pauseApp(){}

	public void startApp(){
			display = Display.getDisplay(this);
		Graph graph=new Graph();
	
		display.setCurrent(graph);
	}
	
	public class Graph extends Canvas{
			
		public void paint(javax.microedition.lcdui.Graphics g){
			int width=g.getClipWidth();
			int height=g.getClipHeight();
			g.setColor(225,225,0);
			g.fillRect(0,0,width,height);
			g.setColor(0,0,0);
			g.drawRect(0,0,width-1,height-1);
			g.drawLine(width/2,0,width/2,height);
			g.drawLine(0,height/2,width,height/2);
			g.translate(width/2,height/2);
			g.setColor(255,0,0);
			
			 for(int x=-width/2;x<width/2;x++)
			 {
			 	int y=-x*x/40;
			 	g.drawLine(x,y,x,y);
			}
		}
	}

}