Java Tutorial/Swing/LineBorder

14. Creating and Setting a line Border from BorderFactory

   <source lang="java">

import java.awt.Color; import javax.swing.BorderFactory; import javax.swing.JLabel; import javax.swing.border.LineBorder; public class Main {

 public static void main(String[] argv) {
   LineBorder lineBorder = (LineBorder)BorderFactory.createLineBorder(Color.black);
   JLabel component = new JLabel("label");
   component.setBorder(lineBorder);
 }

}</source>

14. LineBorder Class

The line border is a single-color line of a user-defined thickness that surrounds a component.

   <source lang="java">

public LineBorder(Color color) Border lineBorder = new LineBorder (Color.RED); public LineBorder(Color color, int thickness) Border lineBorder = new LineBorder (Color.RED, 5); public LineBorder (Color color, int thickness, boolean roundedCorners) Border lineBorder = new LineBorder (Color.RED, 5, true); public static Border createBlackLineBorder() Border blackLine = LineBorder.createBlackLineBorder(); public static Border createGrayLineBorder() Border grayLine = LineBorder.createGrayLineBorder(); public static Border createLineBorder(Color color) Border lineBorder = BorderFactory.createLineBorder(Color.RED); public static Border createLineBorder(Color color, int thickness) Border lineBorder = BorderFactory.createLineBorder(Color.RED, 5);</source>

14. LineBorder: color and width

   <source lang="java">

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.border.Border; import javax.swing.border.LineBorder; public class ALineBorder {

 public static void main(String args[]) {
   JFrame frame = new JFrame("Line Borders");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   
   Border thinBorder = LineBorder.createBlackLineBorder();
   Border thickBorder = new LineBorder(Color.WHITE, 12);
   Border roundedBorder = new LineBorder(Color.BLACK, 2, true);
   
   JButton thinButton = new JButton("1 Pixel");
   thinButton.setBorder(thinBorder);
   
   JButton thickButton = new JButton("12 Pixel");
   thickButton.setBorder(thickBorder);
   
   JButton roundedButton = new JButton("Rounded 2 Pixel");
   roundedButton.setBorder(roundedBorder);
   
   Container contentPane = frame.getContentPane();
   contentPane.add(thinButton, BorderLayout.NORTH);
   contentPane.add(thickButton, BorderLayout.CENTER);
   contentPane.add(roundedButton, BorderLayout.SOUTH);
   frame.pack();
   frame.setSize(300, frame.getHeight());
   frame.setVisible(true);
 }

}</source>