【简答题】请简单描述下该程序的功能 package tarena.com; public class Student { private String name ; private String cla ; private int score ; public Student() { super (); } public Student( String name, String cla, int score...
【单选题】有如下程序:执行后的输出结果应该是: #include class cla{ static int n ; public: cla(){n++ ;} ~cla(){n-- ;} static int get_n(){return n ;} } ; int cla::n=0 ; int main() { cla * p=new cla ; delete p ; cout< ; return 0 ; ...