目录背景python函数显式声明的类型汇总基本类型集合类型Optional and Union(python3.10版本之前)自定义类类型显示声明类型的好处总结背景
does any one know that \"what does \'#\' character means in 开发者_JS百科JNDI look up?\" like: helloUser = (HelloUser) ctx.lookup(\"HelloUser#ejb3inaction.example.HelloUser\");