subclasses专题

UnsupportedOperationException:setProperty must be overridden by all subclasses of SOAPMessage解决方法有效

java.lang.UnsupportedOperationException: setProperty must be overridden by all subclasses of SOAPMessage 原因是Jboss的soap实现的是老的javax.xml.soap.SoapMessage接口,这个接口的setProperty方法在老版本是不需要override的,但是到了Ja

Python 魔法方法:__subclasses__

__subclasses__() 函数获取类的所有子类 class X(object):passclass A(X):passclass B(X):passclass B(X):passprint(X.__subclasses__())# [<class '__main__.A'>, <class '__main__.B'>, <class '__main__.B'>]