Bordas

import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
import javax.swing.WindowConstants;
import javax.swing.border.BevelBorder;
import javax.swing.border.LineBorder;
import javax.swing.border.MatteBorder;
import javax.swing.border.SoftBevelBorder;

/**
 *
 * @author onezer0
 */
public class Bordas extends JFrame{

    public Bordas(){
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setTitle("Exemplo de Bordas");
        setBackground(new Color(255, 0, 0));
        setLayout(new FlowLayout());
        setPreferredSize(new Dimension(250, 300));

        JLabel JLabel1 = new JLabel();
        JLabel JLabel2 = new JLabel();
        JLabel JLabel3 = new JLabel();
        JLabel JLabel4 = new JLabel();
        JLabel JLabel5 = new JLabel();
        JLabel JLabel6 = new JLabel();
        JLabel JLabel7 = new JLabel();
        JLabel JLabel8 = new JLabel();
        JLabel JLabel9 = new JLabel();

        JLabel1.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel1.setText("Borda BevelBorder");
        JLabel1.setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED));


        JLabel2.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel2.setText("Borda SoftBevelBorder");
        JLabel2.setBorder(BorderFactory.createBevelBorder(SoftBevelBorder.RAISED));


        JLabel3.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel3.setText("Borda Composta(Line + Etched)");
        JLabel3.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEtchedBorder(), BorderFactory.createLineBorder(new Color(0, 0, 0))));


        JLabel4.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel4.setText("Borda Line Border c/cantos arredondados");
        JLabel4.setBorder(new LineBorder(new Color(0, 0, 0), 1, true));


        JLabel5.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel5.setText("Borda LineBorder");
        JLabel5.setBorder(BorderFactory.createLineBorder(new Color(0, 0, 0)));
        Color vermelhoEscuro = new Color(255, 50, 50);
        JLabel5.setForeground(vermelhoEscuro);


        JLabel6.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel6.setText("Borda EtcherBorder");
        JLabel6.setBorder(BorderFactory.createEtchedBorder());
        JLabel6.setForeground(Color.blue);

        JLabel7.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel7.setText("Borda EmptyBorder");
        JLabel7.setBorder(BorderFactory.createEmptyBorder(1, 1, 1, 1));

        JLabel8.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel8.setText("Borda MultiBorder");
        JLabel8.setBorder(new MatteBorder(null));

        JLabel9.setHorizontalAlignment(SwingConstants.CENTER);
        JLabel9.setText("Borda TitleBorder");
        JLabel9.setBorder(BorderFactory.createTitledBorder("Titulo"));
        JLabel9.setForeground(Color.red);
        JLabel9.setOpaque(true);
        JLabel9.setBackground(Color.green);

        add(JLabel1);
        add(JLabel2);
        add(JLabel3);
        add(JLabel4);
        add(JLabel5);
        add(JLabel6);
        add(JLabel7);
        add(JLabel8);
        add(JLabel9);

        pack();

        setLocationRelativeTo(null);
    }
    public static void main(String[] args){
        Bordas bordas = new Bordas();
        bordas.setVisible(true);
    }
}