Border Example
Any Swing component can have a Border. A Border is set with the method setBorder() that requires as a parameter any implementation of the Border interface.
This Border example shows a panel (containing some labels) that has its border set a variety of ways.
// Border Example
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
class BorderExample {
public static void main(String[] args) {
Color hi = Color.cyan, lo = Color.blue;
EmptyBorder b0 = new EmptyBorder(10,10,10,10);
BevelBorder b1 = new BevelBorder(BevelBorder.RAISED,hi,lo);
EtchedBorder b2 = new EtchedBorder(EtchedBorder.LOWERED,hi,lo);
LineBorder b4 = new LineBorder(Color.orange,5);
MatteBorder b5 = new MatteBorder(20,10,20,10,Color.magenta);
TitledBorder b6 = new TitledBorder(b4,"Title");
CompoundBorder b7 = new CompoundBorder(b0, b1);
JFrame frame = new JFrame();
Container cp = frame.getContentPane();
JPanel jp = new JPanel();
cp.add(jp);
for(int i=0;i<5;++i) jp.add(new JLabel(" Label "+i+" ",JLabel.CENTER));
frame.setSize(100,300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
jp.setBorder(b1);
jp.setBorder(b2);
jp.setBorder(LineBorder.createBlackLineBorder());
jp.setBorder(b4);
jp.setBorder(BorderFactory.createLineBorder(Color.pink,10));
jp.setBorder(b5);
jp.setBorder(b6);
jp.setBorder(b7);
}
}