Display font in a grid : Font « 2D Graphics GUI « Java

Display font in a grid


import java.awt.Font;
import java.awt.Graphics;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main {
  public static void main(String[] args) {
    final int columnCount = 10;
    final int side = 25;
    final int[][] grid = new int[50][columnCount];

    JPanel panel = new JPanel() {
      public void paintComponent(Graphics g) {
        Font font = new Font("WingDings", Font.PLAIN, 14);
        int off = 0;
        for (int i = 0; i < 256 * 256; i++) {
          if (font.canDisplay((char) i) == false) {
          grid[off / columnCount][off % columnCount] = i;
          int x = off % columnCount * side;
          int y = (off / columnCount) * side + side;
          g.drawString(Character.toString((char)i), x, y);

    JFrame frame = new JFrame();
    panel.setSize(300, 300);
    frame.setSize(300, 300);


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