public class MyPanel extends JPanel{

    public MyPanel(string title){
        JFrame frame = new JFrame(title);
        frame.setExtendedState(Frame.MAXIMIZED_BOTH);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.pack();
        frame.setVisible(true);
    }

    public void paintComponent(Graphics graphics){
        graphics.drawString("Some Text",100,100);
        // Should decrease font size
        graphics.drawString("Some Smaller Text",200,200);
        // Should increase font size
        graphics.drawString("Some Bigger Text",300,300);
    }
}

public  void paint(Graphics g){
   Font font = new Font("Verdana", Font.BOLD, 12);
   g.setFont(font);
   g.drawString("bla bla",150,10);
}

float f=20.0f; // font size.
   g.setFont(g.getFont().deriveFont(f);
   g.drawString("whatever",150,f+10);// provides optimum gap for printing

setFont(new java.awt.Font("Century Schoolbook L", 2, 24));