Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（） A: lock the listener B: hide the listener C: create multiple listeners D: run listener on a remote client E: set a password for the listener F: store listener.ora in a non-default locatio

Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（） A: lock the listener B: hide the listener C: create multiple listeners D: run listener on a remote client E: set a password for the listener F: store listener.ora in a non-default location

Python中类的定义正确的是 A: class Phone: name = "" call(self, name) print(name, "打电话") B: class Phone: name = "" call(self, name) print(name, "打电话") C: class Phone: name = "" def call(self, name): print(name, "打电话") D: class Phone name = "" def call(self, name): print(name, "打电话")

在web.xml文件中注册监听器时需要使用<listener>元素，该元素的唯一的一个子元素是 。 A: <listener-name> B: <listener-class> C: <listener-type> D: <listener-class-name>

以下代码中，实例方法定义正确的是（） A: class Student: def setName(self,name): self.name=name B: class Student: def setName(name): self.name=name C: class Student: def setName(self): self.name=name D: class Student: def setName(name,self): self.name=name

以下有关类的声明，正确的是 A: class Student(object) def __init__(self, name, score): self.name = name self.score = score B: class Student(object) def __init__(self, name, score) self.name = name self.score = score C: class Student(object)： def __init__(self, name, score): self.name = name self.score = score D: class Student(object)： def __int__(self, name, score): self.name = name self.score = score

有如下定义‏struct person{char name［9］;int age;};‏struct person class［10］={"John",17,"paul",19,"Mary",18,"Adam",16,};‏则能输出字母M的语句是（ ）。‏​‏ A: cout<<class［3］.name; B: cout<<class［3］.name［1］; C: cout<<class［2］.name［1］; D: cout<<class［2］.name［0];

根据下述定义，能输出字母M的语句是：strcut person{char name&#91;9&#93;;int age;};struct person class&#91;10&#93;={"John",17,"Paul",19,"Mary",18,"Adam",16}; A: class[3].name B: class[2].name[0] C: class[3].name[1] D: class[2].name[1]

若有以下定义，则能打印出字母M的语句是（ ）。struct person{ char name[12]; int num;};struct person class[8]={&quot;Linan&quot;,20,&quot;zhanghai&quot;,18,&quot;Maming&quot;,23,&quot;wanghua&quot;,25,&quot;chenqi&quot;,17};? printf(&quot;%c&quot;,class[2].name[1]);|printf(&quot;%c&quot;,class[3].name[1]);|printf(&quot;%c&quot;,class[2].name[0]);|printf(&quot;%c&quot;,class[3].name);

class Person{ static{ System.out.println(name); } private static String name = "hello"; } class Demo{ public static void main(String[] args){ Person p = null; } }