【简答题】有以下程序: include<iostream> using namespace std; class Base { public: Base() { K=0; } int x; }; class Derivedl:virtual public Base { public: Derivedl() { x=10; } }; class Derived2:virtua1 public Base
【多选题】有以下代码成立,则Base类需要实现的构造方法有: 。 public class check extends Base{ pulbic check(){} public check( int j){super(j); } public check(int j,int k){ super(j,k); } }