public void drawText(Graphics g, String textFile) {
  
  int y = 110;
  
  String text = " ", firstLine = " ";
  
  FileReader fr;
  
  try {
   
   fr = new FileReader(textFile);
   BufferedReader reader = new BufferedReader(fr);
   firstLine = reader.readLine();
   reader.close();
  } catch (IOException e1) {
   
   e1.printStackTrace();
  }
        
  try {
   text = new String(Files.readAllBytes(Paths.get(textFile)), "MS932");
  } catch (IOException e) {
   
   e.printStackTrace();
  }
  
  //g.setColor(Color.WHITE);
  //g.drawString(g.getFontMetrics().stringWidth(text) + " - " + g.getFontMetrics().stringWidth(firstLine), 32, 160);
  
  y += textScroll;
  
  g.setColor(Color.LIGHT_GRAY);
  for (String line : text.split("\n"))
   g.drawString(line, getWidth() / 2 - g.getFontMetrics(gameFont).stringWidth(firstLine) / 2, y +=  g.getFontMetrics().getHeight());
    }

getWidth() / 2 - g.getFontMetrics(gameFont).stringWidth(firstLine) / 2

try {

tfr = new FileReader(textFile);
tBufferedReader reader = new BufferedReader(fr);
tfirstLine = reader.readLine();
treader.close();
} catch (IOException e1) {

e1.printStackTrace();
}

import java.applet.Applet;
import java.awt.Graphics;

public class demo extends Applet{
   
  public void paint(Graphics g){
    
    
   g.drawString("First applet", 32, 32);
  }

}