java虛擬機器學習異常篇一

虛擬機器產生異常的原由與處理
產生原因：1。由於不正常的語句背虛擬機器檢測到。拋出異常在語句執行點。可能情況有：違反語義的操作如數組過界；資源越界；串連程式時出錯
 2。java代碼執行throws語句
 3。非同步異常：ThreadGroup的stop()方法調用與虛擬機器內部發生錯誤。
處理異常：封閉try內部代碼轉到靠try最近的catch語句中，在沒有catch語句情況下該線程停止，只有finnaly語句執行；並且當其線程父類
 ThreadGroup調用unCatchedException後才終止該線程。
異常分類：（java.lang下）
        Exception:
 AclNotFoundException, ActivationException, AlreadyBoundException, ApplicationException,
 AWTException, BackingStoreException, BadLocationException, CertificateException, ClassNotFoundException,
 CloneNotSupportedException, DataFormatException, DestroyFailedException, ExpandVetoException,
 FontFormatException, GeneralSecurityException, GSSException, IllegalAccessException,
 InstantiationException, InterruptedException, IntrospectionException, InvalidMidiDataException,
 InvalidPreferencesFormatException, InvocationTargetException, IOException, LastOwnerException,
 LineUnavailableException, MidiUnavailableException, MimeTypeParseException, NamingException,
 NoninvertibleTransformException, NoSuchFieldException, NoSuchMethodException, NotBoundException,
 NotOwnerException, ParseException, ParserConfigurationException, PrinterException, PrintException,
 PrivilegedActionException, PropertyVetoException, RefreshFailedException, RemarshalException,
 RuntimeException, SAXException, ServerNotActiveException, SQLException, TooManyListenersException,
 TransformerException, UnsupportedAudioFileException, UnsupportedCallbackException,
 UnsupportedFlavorException, UnsupportedLookAndFeelException, URISyntaxException,
 UserException, XAException
 其中不受檢測的運行期異常類：RuntimeException類
 ArithmeticException, ArrayStoreException, BufferOverflowException, BufferUnderflowException,
 CannotRedoException, CannotUndoException, ClassCastException, CMMException,
 ConcurrentModificationException, DOMException, EmptyStackException, IllegalArgumentException,
 IllegalMonitorStateException, IllegalPathStateException, IllegalStateException, ImagingOpException,
 IndexOutOfBoundsException, MissingResourceException, NegativeArraySizeException, NoSuchElementException,
 NullPointerException, ProfileDataException, ProviderException, RasterFormatException, SecurityException,
 SystemException, UndeclaredThrowableException, UnmodifiableSetException, UnsupportedOperationException

 Error:
 AssertionError, AWTError, CoderMalfunctionError, FactoryConfigurationError, LinkageError, ThreadDeath,
 TransformerFactoryConfigurationError, VirtualMachineError

(未完)