Throwable
NullPointerException
ClassCastException
ClassNotFoundException
ArithmeticException
java 运行时系统的内部错误和资源耗尽错误
Error
运行时异常，运行时期抛出的异常
ThreadDeath
Exception
RuntimeException
受检查异常，编译时期编译器强制进行捕获
Object
InterruptedException
AWTError
IOException
SQLException
ArrayIndexOutOfBundsException
