javax.swing

Class JApplet

  • All Implemented Interfaces:
    ImageObserver, MenuContainer, Serializable, Accessible, RootPaneContainer

    public class JApplet
    extends Applet
    implements Accessible, RootPaneContainer
    An extended version of java.applet.Applet that adds support for the JFC/Swing component architecture. You can find task-oriented documentation about using JApplet in The Java Tutorial, in the section How to Make Applets.

    The JApplet class is slightly incompatible with java.applet.Applet. JApplet contains a JRootPane as its only child. The contentPane should be the parent of any children of the JApplet. As a convenience add and its variants, remove and setLayout have been overridden to forward to the contentPane as necessary. This means you can write:

           applet.add(child);
     
    And the child will be added to the contentPane. The contentPane will always be non-null. Attempting to set it to null will cause the JApplet to throw an exception. The default contentPane will have a BorderLayout manager set on it. Refer to RootPaneContainer for details on adding, removing and setting the LayoutManager of a JApplet.

    Please see the JRootPane documentation for a complete description of the contentPane, glassPane, and layeredPane properties.

    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 JavaBeansTM has been added to the java.beans package. Please see XMLEncoder.

    See Also:
    RootPaneContainer

Document created the 11/06/2005, last modified the 04/03/2020
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