Module java.desktop
Package javax.swing

Class JPanel

All Implemented Interfaces:
ImageObserver, MenuContainer, Serializable, Accessible
Direct Known Subclasses:
AbstractColorChooserPanel, JSpinner.DefaultEditor

@JavaBean(defaultProperty="UI",
          description="A generic lightweight container.")
public class JPanel
extends JComponent
implements Accessible
JPanel is a generic lightweight container. For examples and task-oriented documentation for JPanel, see How to Use Panels, a section in The Java Tutorial.

Warning: Swing is not thread safe. For more information see Swing's Threading Policy.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans package. Please see XMLEncoder.

Since:
1.2
  • Constructor Details

    • JPanel

      public JPanel​(LayoutManager layout, boolean isDoubleBuffered)
      Creates a new JPanel with the specified layout manager and buffering strategy.
      Parameters:
      layout - the LayoutManager to use
      isDoubleBuffered - a boolean, true for double-buffering, which uses additional memory space to achieve fast, flicker-free updates
    • JPanel

      public JPanel​(LayoutManager layout)
      Create a new buffered JPanel with the specified layout manager
      Parameters:
      layout - the LayoutManager to use
    • JPanel

      public JPanel​(boolean isDoubleBuffered)
      Creates a new JPanel with FlowLayout and the specified buffering strategy. If isDoubleBuffered is true, the JPanel will use a double buffer.
      Parameters:
      isDoubleBuffered - a boolean, true for double-buffering, which uses additional memory space to achieve fast, flicker-free updates
    • JPanel

      public JPanel()
      Creates a new JPanel with a double buffer and a flow layout.
  • Method Details