Package Summary Overview Summary

### class:WindowConstants [NONE]
- 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 . Since: 1.2 See Also: `JFrame.setDefaultCloseOperation(int)`, `JDialog.setDefaultCloseOperation(int)`, `JInternalFrame.setDefaultCloseOperation(int)`

### field:DO_NOTHING_ON_CLOSE [NONE]
- #### DO_NOTHING_ON_CLOSE
      static final int DO_NOTHING_ON_CLOSE
The do-nothing default window close operation. See Also: Constant Field Values

### field:HIDE_ON_CLOSE [NONE]
- #### HIDE_ON_CLOSE
      static final int HIDE_ON_CLOSE
The hide-window default window close operation See Also: Constant Field Values

### field:DISPOSE_ON_CLOSE [NONE]
- #### 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

### field:EXIT_ON_CLOSE [NONE]
- #### 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