import java.applet.*;
import java.awt.*;

public class verticalText extends Applet {
  String s = "Vertical text";
  int x=10; 
  int y=10;
  int v;
public void init() {}

public void paint(Graphics g) {
  v=g.getFontMetrics(getFont()).getHeight()+1;
  System.out.println(v);
  int j =0;
  int k= s.length();
  while(j < k+1) {
    if (j == k) 
       g.drawString(s.substring(j),x, y+(j*v));
    else
       g.drawString(s.substring(j,j+1),x, y+(j*v));
    j++;
    }
  }
}

import java.awt.geom.AffineTransform;
import java.awt.Graphics2D;


public void paint(Graphics g){
    Graphics2D g2d = (Graphics2D)g;
    
    // clockwise 90 degrees
    AffineTransform at = new AffineTransform();
    // thanks to M.C. Henle for the bug fix!
    at.setToRotation(-Math.PI/2.0, width/2.0, height/2.0);
    g2d.setTransform(at);
    g2d.drawString("Vertical text", x, y);
    }