Serializable
public class HeadlessException extends UnsupportedOperationException
GraphicsEnvironment.isHeadless()
method and throw HeadlessException
if the latter returns true
.Constructor | Description |
---|---|
HeadlessException() |
Constructs new HeadlessException with empty message. |
HeadlessException |
Create a new instance with the specified detailed error message. |
Modifier and Type | Method | Description |
---|---|---|
String |
getMessage() |
Returns the detail message string of this HeadlessException . |
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
public HeadlessException()
HeadlessException
with empty message. For such HeadlessException
the default headless error message may be auto-generated for some platforms. The text of the default headless message may depend on whether the GraphicsEnvironment is in fact headless. That is, the default headless message is both system and environmentally dependent.public HeadlessException(String msg)
msg
- the error messagepublic String getMessage()
HeadlessException
. Depending on the platform the message specified in the constructor may be followed by the default headless error message. The text of the default headless message may depend on whether the GraphicsEnvironment is in fact headless. That is, the default headless message is both system and environmentally dependent.getMessage
in class Throwable
HeadlessException
instance (which may be null
).
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Documentation extracted from Debian's OpenJDK Development Kit package.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/java/awt/HeadlessException.html