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Java Standard Edition (SE)

JButton


javax.swing

Class JButton

    • Constructor Detail

      • JButton

        public JButton()
        Creates a button with no set text or icon.
      • JButton

        public JButton(Icon icon)
        Creates a button with an icon.
        Parameters:
        icon - the Icon image to display on the button
      • JButton

        public JButton(Action a)
        Creates a button where properties are taken from the Action supplied.
        Parameters:
        a - the Action used to specify the new button
        Since:
        1.3
      • JButton

        public JButton(String text,
                       Icon icon)
        Creates a button with initial text and an icon.
        Parameters:
        text - the text of the button
        icon - the Icon image to display on the button
    • Method Detail

      • isDefaultButton

        public boolean isDefaultButton()
        Gets the value of the defaultButton property, which if true means that this button is the current default button for its JRootPane. Most look and feels render the default button differently, and may potentially provide bindings to access the default button.
        Returns:
        the value of the defaultButton property
        See Also:
        JRootPane.setDefaultButton(javax.swing.JButton), isDefaultCapable()
      • setDefaultCapable

        public void setDefaultCapable(boolean defaultCapable)
        Sets the defaultCapable property, which determines whether this button can be made the default button for its root pane. The default value of the defaultCapable property is true unless otherwise specified by the look and feel.
        Parameters:
        defaultCapable - true if this button will be capable of being the default button on the RootPane; otherwise false
        See Also:
        isDefaultCapable()
      • paramString

        protected String paramString()
        Returns a string representation of this JButton. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.
        Overrides:
        paramString in class AbstractButton
        Returns:
        a string representation of this JButton
      • getAccessibleContext

        public AccessibleContext getAccessibleContext()
        Gets the AccessibleContext associated with this JButton. For JButtons, the AccessibleContext takes the form of an AccessibleJButton. A new AccessibleJButton instance is created if necessary.
        Specified by:
        getAccessibleContext in interface Accessible
        Overrides:
        getAccessibleContext in class Component
        Returns:
        an AccessibleJButton that serves as the AccessibleContext of this JButton


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