JLabel: setOpaque(boolean isOpaque) : JLabel « javax.swing « Java by API

1. Java by API
2. javax.swing
3. JLabel

JLabel: setOpaque(boolean isOpaque)

 
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;

public class Main extends JFrame {
  public Main() {
    super("JLabel Demo");
    setSize(600, 100);

    JPanel content = new JPanel(new GridLayout(1, 4, 4, 4));

    JLabel label = new JLabel("Java2s");
    label.setBackground(Color.white);
    content.add(label);

    label = new JLabel("Java2s", SwingConstants.CENTER);
    label.setOpaque(true);
    label.setBackground(Color.white);
    content.add(label);

    label = new JLabel("Java2s");
    label.setFont(new Font("Helvetica", Font.BOLD, 18));
    label.setOpaque(true);
    label.setBackground(Color.white);
    content.add(label);

    ImageIcon image = new ImageIcon("java2sLogo.gif");
    label = new JLabel("Java2s", image, SwingConstants.RIGHT);
    label.setVerticalTextPosition(SwingConstants.TOP);
    label.setOpaque(true);
    label.setBackground(Color.white);
    content.add(label);

    getContentPane().add(content);
    setVisible(true);
  }

  public static void main(String args[]) {
    new Main();
  }
}

   
  

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