import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.UIManager;
public class MainClass {
public static void main(String args[]) throws Exception {
JFrame frame = new JFrame("UIDefaults Example");
frame.setDefaultCloseOperation(3);
Container c = frame.getContentPane();
UIManager.put("Button.background", Color.red);
UIManager.put("Button.foreground", Color.white);
Font f = new Font("Serif", Font.ITALIC, 24);
UIManager.put("Button.font", f);
JButton north = new JButton("North");
JButton south = new JButton("South");
JButton east = new JButton("East");
JButton west = new JButton("West");
JButton center = new JButton("Center");
c.add(north, BorderLayout.NORTH);
c.add(south, BorderLayout.SOUTH);
c.add(east, BorderLayout.EAST);
c.add(west, BorderLayout.WEST);
c.add(center, BorderLayout.CENTER);
frame.pack();
frame.show();
}
}