如何改变标签的颜色?

Question

设置颜色
JLabel l = new JLabel("aaaa");
        l.setBackground(Color.green);
        l.setForeground(Color.green);
注册鼠标事件        
l.addMouseListener(new MouseAdapter(){        });

Answer 1

jLabel1.addMouseListener(new java.awt.event.MouseAdapter()
    {
      public void mouseClicked(MouseEvent e)
      {
        jLabel1_mouseClicked(e);
      }
      public void mouseEntered(MouseEvent e)
      {
        jLabel1_mouseEntered(e);
      }
      public void mouseExited(MouseEvent e)
      {
        jLabel1_mouseExited(e);
      }
    });