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## javax.swing
Interface WindowConstants

All Known Implementing Classes:
  JDialog, JFrame, JInternalFrame

    public interface WindowConstants

Constants used to control the window-closing operation. The `setDefaultCloseOperation` and `getDefaultCloseOperation` methods provided by `JFrame`, `JInternalFrame`, and `JDialog` use these constants. For examples of setting the default window-closing operation, see Responding to Window-Closing Events, a section in The Java Tutorial.

See Also:
  `JFrame.setDefaultCloseOperation(int)`, `JDialog.setDefaultCloseOperation(int)`, `JInternalFrame.setDefaultCloseOperation(int)`

Field Summary
`static int` | `DISPOSE_ON_CLOSE` The dispose-window default window close operation.
`static int` | `DO_NOTHING_ON_CLOSE` The do-nothing default window close operation.
`static int` | `EXIT_ON_CLOSE` The exit application default window close operation.
`static int` | `HIDE_ON_CLOSE` The hide-window default window close operation

Field Detail

### DO_NOTHING_ON_CLOSE

    static final int DO_NOTHING_ON_CLOSE

  The do-nothing default window close operation.

  See Also:
    Constant Field Values

### HIDE_ON_CLOSE

    static final int HIDE_ON_CLOSE

  The hide-window default window close operation

  See Also:
    Constant Field Values

### DISPOSE_ON_CLOSE

    static final int DISPOSE_ON_CLOSE

  The dispose-window default window close operation.

  Note: When the last displayable window within the Java virtual machine (VM) is disposed of, the VM may terminate. See AWT Threading Issues for more information.

  See Also:
    `Window.dispose()`, `JInternalFrame.dispose()`, Constant Field Values

### EXIT_ON_CLOSE

    static final int EXIT_ON_CLOSE

  The exit application default window close operation. Attempting to set this on Windows that support this, such as `JFrame`, may throw a `SecurityException` based on the `SecurityManager`. It is recommended you only use this in an application.

  Since:
    1.4
  See Also:
    `JFrame.setDefaultCloseOperation(int)`, Constant Field Values

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