- java.lang.Object
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- java.lang.Throwable
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- java.lang.Exception
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- All Implemented Interfaces:
- Serializable
- Direct Known Subclasses:
- AclNotFoundException, ActivationException, AlreadyBoundException, ApplicationException, AWTException, BackingStoreException, BadAttributeValueExpException, BadBinaryOpValueExpException, BadLocationException, BadStringOperationException, BrokenBarrierException, CertificateException, CloneNotSupportedException, DataFormatException, DatatypeConfigurationException, DestroyFailedException, ExecutionException, ExpandVetoException, FontFormatException, GeneralSecurityException, GSSException, IllegalClassFormatException, InterruptedException, IntrospectionException, InvalidApplicationException, InvalidMidiDataException, InvalidPreferencesFormatException, InvalidTargetObjectTypeException, IOException, JAXBException, JMException, KeySelectorException, LastOwnerException, LineUnavailableException, MarshalException, MidiUnavailableException, MimeTypeParseException, MimeTypeParseException, NamingException, NoninvertibleTransformException, NotBoundException, NotOwnerException, ParseException, ParserConfigurationException, PrinterException, PrintException, PrivilegedActionException, PropertyVetoException, ReflectiveOperationException, RefreshFailedException, RemarshalException, RuntimeException, SAXException, ScriptException, ServerNotActiveException, SOAPException, SQLException, TimeoutException, TooManyListenersException, TransformerException, TransformException, UnmodifiableClassException, UnsupportedAudioFileException, UnsupportedCallbackException, UnsupportedFlavorException, UnsupportedLookAndFeelException, URIReferenceException, URISyntaxException, UserException, XAException, XMLParseException, XMLSignatureException, XMLStreamException, XPathException
public class Exception extends Throwable
The classExceptionand its subclasses are a form ofThrowablethat indicates conditions that a reasonable application might want to catch.The class
Exceptionand any subclasses that are not also subclasses ofRuntimeExceptionare checked exceptions. Checked exceptions need to be declared in a method or constructor'sthrowsclause if they can be thrown by the execution of the method or constructor and propagate outside the method or constructor boundary.- Since:
- JDK1.0
- See Also:
Error, Serialized Form- See The Java™ Language Specification:
- 11.2 Compile-Time Checking of Exceptions
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Constructor Summary
Constructors Modifier Constructor and Description Exception()Constructs a new exception withnullas its detail message.Exception(String message)Constructs a new exception with the specified detail message.Exception(String message, Throwable cause)Constructs a new exception with the specified detail message and cause.protectedException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace)Constructs a new exception with the specified detail message, cause, suppression enabled or disabled, and writable stack trace enabled or disabled.Exception(Throwable cause)Constructs a new exception with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause).
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Method Summary
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Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
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Constructor Detail
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Exception
public Exception()
Constructs a new exception withnullas its detail message. The cause is not initialized, and may subsequently be initialized by a call toThrowable.initCause(java.lang.Throwable).
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Exception
public Exception(String message)
Constructs a new exception with the specified detail message. The cause is not initialized, and may subsequently be initialized by a call toThrowable.initCause(java.lang.Throwable).- Parameters:
message- the detail message. The detail message is saved for later retrieval by theThrowable.getMessage()method.
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Exception
public Exception(String message, Throwable cause)
Constructs a new exception with the specified detail message and cause.Note that the detail message associated with
causeis not automatically incorporated in this exception's detail message.- Parameters:
message- the detail message (which is saved for later retrieval by theThrowable.getMessage()method).cause- the cause (which is saved for later retrieval by theThrowable.getCause()method). (A null value is permitted, and indicates that the cause is nonexistent or unknown.)- Since:
- 1.4
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Exception
public Exception(Throwable cause)
Constructs a new exception with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause). This constructor is useful for exceptions that are little more than wrappers for other throwables (for example,PrivilegedActionException).- Parameters:
cause- the cause (which is saved for later retrieval by theThrowable.getCause()method). (A null value is permitted, and indicates that the cause is nonexistent or unknown.)- Since:
- 1.4
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Exception
protected Exception(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace)
Constructs a new exception with the specified detail message, cause, suppression enabled or disabled, and writable stack trace enabled or disabled.- Parameters:
message- the detail message.cause- the cause. (Anullvalue is permitted, and indicates that the cause is nonexistent or unknown.)enableSuppression- whether or not suppression is enabled or disabledwritableStackTrace- whether or not the stack trace should be writable- Since:
- 1.7
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