import java.awt.Color;
import java.awt.FlowLayout;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.border.Border;
public class Main {
public static void main(String args[]) {
JFrame f = new JFrame("Label Demo");
f.setLayout(new FlowLayout());
f.setSize(200, 360);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JLabel label= new JLabel("A default label");
Border border = BorderFactory.createLineBorder(Color.BLACK);
label.setBorder(border);
f.add(label);
f.setVisible(true);
}
}