Java Source Codes

Font Change

import java.awt.Container;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

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

public class FontPanel extends JPanel {

public void paintComponent(Graphics g) {
super.paintComponent(g);

Font f = new Font("SansSerif", Font.BOLD, 14);
Font fi = new Font("SansSerif", Font.BOLD + Font.ITALIC, 14);
FontMetrics fm = g.getFontMetrics(f);
FontMetrics fim = g.getFontMetrics(fi);

String s1 = "Java ";
String s2 = "Source and Support";
String s3 = " at www.java2s.com";
int width1 = fm.stringWidth(s1);
int width2 = fim.stringWidth(s2);
int width3 = fm.stringWidth(s3);

Dimension d = getSize();
int cx = (d.width - width1 - width2 - width3) / 2;
int cy = (d.height - fm.getHeight()) / 2 + fm.getAscent();

g.setFont(f);
g.drawString(s1, cx, cy);
cx += width1;
g.setFont(fi);
g.drawString(s2, cx, cy);
cx += width2;
g.setFont(f);
g.drawString(s3, cx, cy);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setTitle("NotHelloWorld2");
frame.setSize(350, 200);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
Container contentPane = frame.getContentPane();
contentPane.add(new FontPanel());

frame.show();
}

}

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