Error和Exception区别：

  • Error：程序无奈解决的谬误
  • Exception：程序自身能够解决的异样

PantUML语法

A <|-- B //B继承AC <|... D //D实现了C
@startumlinterface Serializable{  }class Throwable{  }class Exception{  }class Error{  }class IOError{  }abstract class VirtualMachineError{  }class AWTError{  }class StackOverflowError{  }class OutOfMemoryError{  }class IOException{  }class RuntimeException{  }class ReflectiveOperationException{  }class ClassNotFoundException{  }class EOFException{  }class FileNotFoundException{  }class ArithmeticException{  }class MissingResourceException{  }class NullPointerException{  }class IllegalArgumentException{  }class IndexOutOfBoundsException{  }class ArrayIndexOutOfBoundsException{  }class UnknownEntityException{  }class UnknownTypeException{  }Serializable <|.. ThrowableThrowable <|-- ExceptionThrowable <|-- ErrorError <|-- IOErrorError <|-- VirtualMachineErrorError <|-- AWTErrorVirtualMachineError <|-- StackOverflowErrorVirtualMachineError <|-- OutOfMemoryErrorException <|-- IOExceptionException <|-- RuntimeExceptionException <|-- ReflectiveOperationExceptionReflectiveOperationException <|-- ClassNotFoundExceptionIOException <|-- EOFExceptionIOException <|-- FileNotFoundExceptionRuntimeException <|-- ArithmeticExceptionRuntimeException <|-- MissingResourceExceptionRuntimeException <|-- NullPointerExceptionRuntimeException <|-- IllegalArgumentExceptionRuntimeException <|-- IndexOutOfBoundsExceptionRuntimeException <|-- UnknownEntityExceptionUnknownEntityException <|-- UnknownTypeExceptionIndexOutOfBoundsException <|-- ArrayIndexOutOfBoundsException@enduml

Java中异样类关系图，UML关系图如下所示