import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class StringRectPaintPanel extends JPanel {
public void paint(Graphics g) {
g.setFont(new Font("",0,100));
FontMetrics fm = getFontMetrics(new Font("",0,100));
String s = "rntsoft";
int x = 5;
int y = 5;
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
int h = fm.getHeight();
int w = fm.charWidth(c);
g.drawRect(x, y, w, h);
g.drawString(String.valueOf(c), x, y + h);
x = x + w;
}
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setContentPane(new StringRectPaintPanel());
frame.setSize(500, 300);
frame.setVisible(true);
}
}