Java:mon prg compile mais s'exécute pas

import java.awt.*;
//import java.applet.*;
public class Grand_numero 
{
	TextField text1,text2,text3;
	public void init()
	{
		text1=new TextField(8);
		text2=new TextField(8);
		text3=new TextField(8);
		text1.setText("0");
		text2.setText("0");
		text3.setText("0");
	}
	public void paint(Graphics g)
	{
		int x=0,y=0,z=0;
		String s1,s2,s3,s;
		g.drawString("input a number in each box", 10, 50);
		s1=text1.getText();
		x=Integer.parseInt(s1);
		s2=text2.getText();
		y=Integer.parseInt(s2);
    	        s3=text3.getText();
		z=Integer.parseInt(s3);
		if(x>y&&x>z)
		{
	    	s=String.valueOf(x);
		}
		else if(y>z)
		{
			s=String.valueOf(y);
		}
		else
		{
			s=String.valueOf(z);
		}
		g.drawString("The great value:", 10, 75);
		g.drawString(s, 100,75);
	}
	public Boolean action(Event event,Object object)
	{
	    return true;
	    repaint();
	}	
}