Serializable
public class IOErrorextends Error
IOError(Throwable cause)
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
public IOError(Throwable cause)
(cause==null ? null : cause.toString())
cause
null