title: How to change the background color of JLabel?
body: <p>Here's my program:</p>
  
  <pre><code>import java.awt.*;
  import java.awt.event.*;
  import javax.swing.*;
  
  public class FinalsLabExam extends JFrame implements ActionListener,
        MouseListener {
  
     JLabel labelMc = new JLabel("McElvin R. Liceralde", SwingConstants.CENTER);
  
     String[] fNames = { "arial", "calibri", "tahoma", "verdana", "broadway" };
     JComboBox cfNames = new JComboBox(fNames);
  
     JCheckBox bold, italic;
     Font f = new Font("Times New Roman", Font.BOLD, 35);
     Font font1 = new Font("Arial", Font.BOLD, 35);
     Font font2 = new Font("Calibri", Font.BOLD, 35);
     Font font3 = new Font("Tahoma", Font.BOLD, 35);
     Font font4 = new Font("Verdana", Font.BOLD, 35);
     Font font5 = new Font("Broadway", Font.BOLD, 35);
  
     JMenuBar menubar = new JMenuBar();
     JMenu mFormat, mFont, mFont2, mFontName, mFontSize, mColor, mColor2, mText,
           mBColor;
     JMenuItem miArial, miCalibri, miTahoma, miVerdana, miBroadway, miBlue,
           miGreen, miRed, miYellow, miBlack, miOrange;
  
     JPopupMenu pumenu = new JPopupMenu();
     JToolBar tbar = new JToolBar();
  
     public FinalsLabExam() {
        mFormat = new JMenu("Format");
        mFont = new JMenu("Font");
        mFont2 = new JMenu("Font");
        mFontName = new JMenu("Font Name");
        mFontSize = new JMenu("Font Size");
        mColor = new JMenu("Color");
        mColor2 = new JMenu("Color");
        mText = new JMenu("Text");
        mBColor = new JMenu("Background");
  
        mFormat.setMnemonic('f');
        mFont.setMnemonic('f');
        mFont2.setMnemonic('f');
        mFontName.setMnemonic('n');
        mFontSize.setMnemonic('s');
        mColor.setMnemonic('c');
        mColor2.setMnemonic('c');
        mText.setMnemonic('t');
        mBColor.setMnemonic('b');
  
        miArial = new JMenuItem("Arial", 'a');
        miCalibri = new JMenuItem("Calibri", 'c');
        miTahoma = new JMenuItem("Tahoma", 't');
        miVerdana = new JMenuItem("Verdana", 'v');
        miBroadway = new JMenuItem("Broadway", 'w');
        // miBlue = new JMenuItem("Blue", 'l');
        miBlue = new JMenuItem((new ImageIcon("blue.jpg")) + "Blue", 'b');
        miGreen = new JMenuItem("Green", 'g');
        miRed = new JMenuItem("Red", 'r');
        miYellow = new JMenuItem("Yellow", 'y');
        miBlack = new JMenuItem("Black", 'k');
        miOrange = new JMenuItem("Orange", 'o');
  
        setJMenuBar(menubar);
        menubar.add(mFormat);
        mFormat.add(mFont);
        mFormat.add(mFont2);
        mFont.add(mFontName);
        mFont2.add(mFontName);
        mFontName.add(miArial);
        mFontName.add(miCalibri);
        mFontName.add(miTahoma);
        mFontName.add(miVerdana);
        mFontName.add(miBroadway);
        mFont.add(mFontSize);
        mFont2.add(mFontSize);
        mFormat.add(mColor);
        mFormat.add(mColor2);
        mColor.add(mText);
        mColor2.add(mText);
        mText.add(miBlue);
        mText.add(miGreen);
        mText.add(miRed);
        mColor.add(mBColor);
        mColor2.add(mBColor);
        mBColor.add(miYellow);
        mBColor.add(miBlack);
        mBColor.add(miOrange);
  
        miArial.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, 2));
        miCalibri.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, 2));
        miTahoma.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, 2));
        miVerdana.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, 2));
        miBroadway.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, 2));
  
        miBlue.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B, 2));
        miGreen.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_G, 2));
        miRed.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, 2));
        miYellow.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Y, 2));
        miBlack.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_K, 2));
        miOrange.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, 2));
  
        addMouseListener(this);
  
        miArial.addActionListener(this);
        miCalibri.addActionListener(this);
        miTahoma.addActionListener(this);
        miVerdana.addActionListener(this);
        miBroadway.addActionListener(this);
        miBlue.addActionListener(this);
        miGreen.addActionListener(this);
        miRed.addActionListener(this);
        miYellow.addActionListener(this);
        miBlack.addActionListener(this);
        miOrange.addActionListener(this);
  
        Container pane = getContentPane();
        pane.setLayout(new BorderLayout());
        pane.setOpaque(true);
  
        labelMc.setBounds(350, 400, 600, 100);
        pane.add(labelMc);
        labelMc.setFont(f);
  
        pane.add(tbar, BorderLayout.NORTH);
        tbar.add(mFont);
        tbar.add(mColor);
  
        pumenu.add(mFont);
        pumenu.add(mColor);
  
        setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        setVisible(true);
        setTitle("Finals Laboratory Exam");
        setSize(500, 200);
        setLocation(500, 300);
        setResizable(false);
     }
  
     public void actionPerformed(ActionEvent e) {
        if (e.getSource() == miArial)
           labelMc.setFont(font1);
        else if (e.getSource() == miCalibri)
           labelMc.setFont(font2);
        else if (e.getSource() == miTahoma)
           labelMc.setFont(font3);
        else if (e.getSource() == miVerdana)
           labelMc.setFont(font4);
        else if (e.getSource() == miBroadway)
           labelMc.setFont(font5);
  
        else if (e.getSource() == miBlue)
           labelMc.setForeground(Color.BLUE);
        else if (e.getSource() == miGreen)
           labelMc.setForeground(Color.GREEN);
        else if (e.getSource() == miRed)
           labelMc.setForeground(Color.RED);
  
        else if (e.getSource() == miYellow) {
           pane.setBackground(Color.YELLOW);
        } else if (e.getSource() == miBlack) {
           setBackground(Color.BLACK);
        } else if (e.getSource() == miOrange) {
           setBackground(Color.ORANGE);
        }
     }
  
     public void mouseExited(MouseEvent e) {
     }
  
     public void mouseEntered(MouseEvent e) {
     }
  
     public void mouseReleased(MouseEvent e) {
  
        if (e.isPopupTrigger())
           pumenu.show(e.getComponent(), e.getX(), e.getY());
  
     }
  
     public void mousePressed(MouseEvent e) {
     }
  
     public void mouseClicked(MouseEvent e) {
     }
  
     public static void main(String[] args) {
        new FinalsLabExam();
     }
  }
  </code></pre>
  
  <p>but it doesn't change the background color :(
  and when I add pane.setBackground(Color.YELLOW);</p>
  
  <p>It says...CANNOT FIND SYMBOL :(
  help me please :)</p>
  
  <p>Thank you for all who will answer and help me. It's my 1st time posting a question here :)</p>