JLabel is a display area for a short text string or an image, or both, it is a basic GUI Component defined in Java Swing library. A label does not react to input events. As a result, it cannot get the keyboard focus. In this how-to, we will go over how to set appearance: JLabel font size and color.
Example Source Code to set JLabel font size
JLabel jUserName = new JLabel("Demo How to Set JLabel font size");
jUserName.setFont(new Font("Serif", Font.BOLD, 11));
JFrame frame = new JFrame("Demo Window");
frame.add(jUserName);
frame.setVisible(true);
Set JLabel foreground color
JLabel jUserName = new JLabel("Demo foreground ");
jUserName.setForeground(Color.GREEN);
Set JLabel background color
By default, the background of JLabel is transparent, so you can not directly set backgroud for a jlabel component. Instead of, add A JLabel to JPanel and set background for the JPanel.
JLabel jUserName = new JLabel("Demo background");
JPanel titlePanel = new JPanel();
titlePanel.setBackground(Color.blue);
titlePanel.add(jUserName);
Hello Dear,
I have some error to set font and color in my program.Can you take a look for a moment,please?
Here is mine:
import java.awt.event.*;
import javax.swing.*;
public class showYourLove extends JFrame
//inherits from JFrame class
{
private JPanel panel; //to references a panel
private JLabel msgLabel;//to reference a label
private JTextField LoveTxtField;//to reference a text field
private JButton Button;//to reference a button
private JLabel picLabel;
private final int width=400;//window width
private final int height=600;//window height
public showYourLove() //constructor
{
setTitle(“Show Your Love !”);
setSize(width,height);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
buildPanel();
add(panel);
setVisible(true);
}
private void buildPanel(){
//method that adds a lable,textfield and button
JLabel msgLabel= new JLabel(“Show your love to your Mom by type I love You Mom”);
msgLabel.setFont(new Font(“Serif”, Font.BOLD, 14));
msgLabel.setForeground(Color.blue);
LoveTxtField=new JTextField(10);
Button=new JButton(“Done”);
JLabel picLabel=new JLabel(new ImageIcon(“C:\\Documents and Settings\\User\\My Documents\\JCreator LE\\MyProjects\\LibGui\\showYourLove\\src\\love.GIF”));
//add an action listener to the button,below the code in which you declare a button of type JButton in the buildPanel() method.
Button.addActionListener(new ButtonListener());
panel=new JPanel();
panel.add(msgLabel);
panel.add(LoveTxtField);
panel.add(Button);
panel.add(picLabel);
}
private class ButtonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
String actionCommand=e.getActionCommand();
//Display the result
JOptionPane.showMessageDialog(null,”Thank you for showing your love here.”);
}
}
public static void main(String[]args)
{
showYourLove love = new showYourLove();
}
}
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