import java.awt.*;
import java.util.Arrays;
import javax.swing.*;

public class Main extends JPanel {

    private static final long serialVersionUID = -1L;

    public static void main(String[] args) {
        Main m = new Main();
        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        Arrays.stream(ge.getAvailableFontFamilyNames()).forEach(m::checkFont);
    }

    void checkFont(String fontName) {
        Font plainFont = new Font(fontName, Font.PLAIN, 12);
        System.out.print("| " + fontName + " |");
        if (plainFont.canDisplay('W')) {
            Font boldFont = plainFont.deriveFont(Font.BOLD);
            FontMetrics plainMetrics = getFontMetrics(plainFont);
            FontMetrics boldMetrics = getFontMetrics(boldFont);

            int plainDescent = plainMetrics.getDescent();
            int plainAscent = plainMetrics.getAscent();
            int boldDescent = boldMetrics.getDescent();
            int boldAscent = boldMetrics.getAscent();
            System.out.printf(" %d | %d | %d | %d |", plainDescent, plainAscent, boldDescent, boldAscent);

            int plainL = plainMetrics.charWidth('l');
            int boldL = boldMetrics.charWidth('l');
            int plainW = plainMetrics.charWidth('W');
            int boldW = boldMetrics.charWidth('W');
            int plainSpace = plainMetrics.charWidth(' ');
            int boldSpace = boldMetrics.charWidth(' ');
            System.out.printf(" %d | %d | %d | %d", plainL, boldL, plainW, boldW, plainSpace, boldSpace);
        }
        System.out.println(" |");
    }
}