Java tutorial
import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.AffineTransform; import javax.swing.JFrame; import javax.swing.JPanel; public class Main extends JPanel { public void paint(Graphics g) { Graphics2D g2d = (Graphics2D) g; AffineTransform at = new AffineTransform(); at.setToRotation(-Math.PI / 2.0, getWidth() / 2.0, getHeight() / 2.0); g2d.setTransform(at); g2d.drawString("Vertical text", 10, 10); } public static void main(String[] a) { JFrame f = new JFrame(); f.add(new Main()); f.setSize(300, 300); f.setVisible(true); } }