plz help me in resolving a error:applet started:applet not initialized
import java.awt.*;
import java.awt.Button;
import java.awt.Label;
import java.awt.TextField;
import java.applet.*;
import java.applet.Applet;
import java.awt.event.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
//<applet code="prg9.class" height=600 width=500> </applet>
public class prg9 extends Applet implements ActionListener
{
String str=" ";
TextField tf[ ] = new TextField[3];
Label name,regno,percentage,per,result,res,totmarks;
Button reset,report;
Label lab[ ] = new Label[9];
public void init( )
{
name=new Label("Enter name");
regno=new Label("Enter regno:");
totmarks=new Label("Enter total marks");
percentage=new Label("percentage");
per=new Label(" ");
result=new Label("result");
res=new Label(" ");
for(int i=0;i<3;i++)
{
TextField tf[]=new TextField[20];
}
for(int i=0;i<9;i++)
{
Label lab[ ]=new Label[9];
}
report =new Button("Create Report");
reset=new Button("Reset");
setLayout(new GridLayout(10,1));
add(name);
add(tf[0]);
add(lab[0]);
add(regno);
add(tf[1]);
add(lab[0]);
add(totmarks);
add(tf[2]);
add(lab[0]);
add(percentage);
add(per);
add(lab[0]);
add(result);
add(res);
add(lab[0]);
add(report);
add(lab[0]);
add(reset);
report.addActionListener(this);
reset.addActionListener(this);
}
public void actionPerformed(ActionEvent ae)
{
str=ae.getActionCommand();
int tot=Integer.parseInt(tf[2].getText());
int perc=tot/5;
per.setText(" " + perc);
if(str.equals("Create Report"))
{
if(perc>=50 && perc<60)
{
res.setText("Second Class");
}
else
if(perc>=60 && perc<85)
{
res.setText("First Class");
}
else
if(perc>=85)
{
res.setText("Distinction");
}
else
if(perc>=35 && perc<50)
{
res.setText("Pass");
}
else
{
res.setText("Fail");
}
}
else
{
Label msg=new Label("Passes Invalid Data");
}
if(str.equals("reset"))
{
per.setText(" ");
res.setText(" ");
for(int i=0;i<3;i++)
{
tf[i].setText(" ");
}
}
}
public void paint(Graphics g)
{
g.drawString(str,200,200);
}
}