An object is an instance of a A: program B: class C: method D: data

The aggregation process and the analysis of the data are the primary weaknesses of: A: CSF. B: logical application groups. C: enterprise analysis. D: process/data class matrices.

想要寻找网页中所有标签名为div,类名为title的标签,下列选项中正确的是() A: data =<br/>soup.find_all(name="title", class="div") B: data =<br/>soup.find_all(name="title", class_="div") C: data =<br/>soup.find_all(name="div", class="title") D: data =<br/>soup.find_all(name="div", class_="title")

执行下面的代码后,输出结果为( )。class test{public $data;}Sx=new test();$x-&gt;data=100;$y=$x;$y-&gt;data=10;echo $x-&gt;data; A: 100 B: 10 C: 0 D: null

The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.

下列选项中,( )不是合法标识符。 A: HelloWorld B: Data_Class C: $bS5_c7 D: 98.3

True or False: The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.

有如下类定义和变量定义：class A{public:A( ){ data=0;)～A( ){}int GetData( ) const{ return data;}void SetData(int n) { data=n;}private:int data;};const A a;A b;下列函数调用中错误的是（） A: GetData( ); B: SetData(10); C: GetData( ); D: SetData(10);

【单选题】In the following description of a const member, the error is (). (2.0分) A. Const members are specified with the keyword const B. There are two types of const member: const data member and const member function C. The initialization of a const data member occurs when it is defined in the class body D. The value of a const data member cannot be changed

（6-4）定义了Demo类如下。在该类中，数据成员名是（ ），构造方法名是（ ），当该类的对象被释放之前有可能被系统自动调用的方法名是（ ）。 public class Demo{ private int data; public Demo(){ data=0; } public void show(){ System.out.println("data="+data); } protected void finalize() throws Throwable{ System.out.println("data is "+data); super.finalize(); } public static void main(String[] arge){ } }