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## java.awt
Class HeadlessException

    java.lang.Object
      |
      +--java.lang.Throwable
            |
            +--java.lang.Exception
                  |
                  +--java.lang.RuntimeException
                        |
                        +--java.lang.UnsupportedOperationException
                              |
                              +--java.awt.HeadlessException

All Implemented Interfaces:
  Serializable

public class HeadlessException
extends UnsupportedOperationException

Thrown when code that is dependent on a keyboard, display, or mouse is called in an environment that does not support a keyboard, display, or mouse.

Since:
  1.4
See Also:
  Serialized Form

Constructor Summary
`HeadlessException()`
`HeadlessException(String msg)`

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### HeadlessException

    public HeadlessException()

### HeadlessException

    public HeadlessException(String msg)

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