import java.awt.Dimension;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
public class Main {
public static void main(String[] args) {
final StringBuilder sb = new StringBuilder();
sb.append("<html>");
sb.append("<body><ol>");
Font[] fonts = GraphicsEnvironment.getLocalGraphicsEnvironment()
.getAllFonts();
for (Font font : fonts) {
String name = font.getName();
sb.append("<li style='font-family: " + name + "; font-size: 20px;'>");
sb.append(name);
}
JScrollPane sp = new JScrollPane(new JLabel(sb.toString()));
Dimension d = sp.getPreferredSize();
sp.setPreferredSize(new Dimension(d.width, 150));
JOptionPane.showMessageDialog(null, sp);
}
}