I'm writing a server, my world my world core server is a Java program, often has an error, such as memory, mod of incompatible collapse and so on, will be in the console output Java error, give great god to a Java console error information

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The forehead is the Java console application will output common error messages

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JAVA Exception detect abnormal (Exception), and a runtime Exception (RuntimeException) two categories best open the code to see its subclasses

Should not all

Arithmetic exception class: ArithmeticExecption

Null pointer exception types: NullPointerException

Casts types: ClassCastException

An array of negative subscript exception: NegativeArrayException

Array subscript cross-border exception: ArrayIndexOutOfBoundsException

Violation of security principle exception: SecturityException

End of file is abnormal: EOFException

File not found abnormal: FileNotFoundException

String is converted to a digital exception: a NumberFormatException

Operational database exception: SQLException

Input/output exceptions: IOException

Method is not found abnormal: NoSuchMethodException

Subscript cross-border exception: IndexOutOfBoundsExecption

A system exception: SystemException

Create an array with negative size error exception: NegativeArraySizeException

Abnormal data formats: a NumberFormatException

Exception safety: SecurityException

An unsupported operation exception: UnsupportedOperationException

The network operators in the main thread: NetworkOnMainThreadException

Abnormal state of the request: an IllegalStateException (extends RuntimeException,

Exception: network request HttpHostConnectException

The child Thread Thread to update the UI view exception: ViewRootImpl $CalledFromWrongThreadException

Certificate does not match the hostname of the exception: SSLExceptionero

Reflection Method. Invoke (obj, args... ) method throws an exception: InvocationTargetException

EventBus using exceptions: EventBusException

Illegal parameters abnormality: IllegalArgumentException

Parameters cannot be less than zero exception: ZeroException

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