blike​/JFB​/p0007

grp.setColor(new Color(0xc0c0c0)); /* 背景色：やや白い灰色 */
grp.fillRect(0, 0, dim.width, dim.height);

grp.setColor(new Color(0xff0000)); /* 赤 */
grp.fillRect( 50,  50, 150, 100);

grp.setColor(new Color(0x00ff00)); /* 緑 */
grp.fillRect(100,  80, 150, 100);

grp.setColor(new Color(0x0000ff)); /* 青 */
grp.fillRect(150, 110, 150, 100);

repaint();

grp.setColor(new Color(0x000080)); /* 濃い青 */
grp.fillRect(0, 0, dim.width, dim.height);

grp.setColor(new Color(0xffff00)); /* 黄色 */
grp.drawString("*",  60, 120);
grp.drawString("*",  90, 100);
grp.drawString("*", 110, 102);
grp.drawString("*", 135, 102);
grp.drawString("*", 155, 120);
grp.drawString("*", 185, 105);
grp.drawString("*", 180,  80);

grp.setColor(new Color(0x00ff00)); /* 緑 */
grp.drawString("北斗七星", 120, 150);

repaint();

grp.setColor(new Color(0xffffff));
grp.fillRect(0, 0, dim.width, dim.height);

grp.setColor(new Color(0x000000));
grp.fillRect( 20,  20, 360, 360);
grp.setColor(new Color(0xffffff));
grp.fillRect( 40,  40, 320, 320);
grp.setColor(new Color(0x000000));
grp.fillRect( 60,  60, 280, 280);
grp.setColor(new Color(0xffffff));
grp.fillRect( 80,  80, 240, 240);
grp.setColor(new Color(0x000000));
grp.fillRect(100, 100, 200, 200);
grp.setColor(new Color(0xffffff));
grp.fillRect(120, 120, 160, 160);

grp.setColor(new Color(0xff0000));
grp.drawString("四角のしましま", 30, 397);

repaint();

grp.setFont(new Font("Dialog", Font.PLAIN, 12)); /* 普通の大きさ */
grp.drawString("こんにちは ABC", 60, 110);
grp.setFont(new Font("Dialog", Font.PLAIN, 24)); /* 2倍の大きさ */
grp.drawString("こんにちは ABC", 60, 140);
grp.setFont(new Font("Dialog", Font.ITALIC, 24)); /* 2倍で斜体 */
grp.drawString("こんにちは ABC", 60, 170);
grp.setFont(new Font("Dialog", Font.BOLD, 24)); /* 2倍で太字 */
grp.drawString("こんにちは ABC", 60, 200);
repaint();