[code=C#] public class Instance { private class SingletonInstance { private SingletonInstance() { }

[code=C#] public class Instance { private class SingletonInstance { private SingletonInstance() { } 这道题目的答案是不是有问题啊具体的题目是这样的:Consider the following java code: //in file Book.java package com.bookstore; public class Book { private String isbn; public Book(){ isbn = UNDEFINED_BOOK; } public S CLA是什么 CLA是什么意思 ClA是什么 c++public private作用 C语言中,code uint8 a[] 里面的code是什么意思? #include class A { public: int n; }; class B:virtual public A {}; class C:virtual publ#include class A{ public: int n;};class B:virtual public A {};class C:virtual public A {};class D:public B ,public C{ int getn(){return B::n;}};D d;d.B::n=10;d.C:: C++ see declaration of错误 纯虚函数问题#includeclass vehicle{protected:double weight;double vaule;public:vehicle(double weight,double vaule){vehicle::weight=weight;vehicle::vaule=vaule;}virtual double weight()=0;virtual double vaule()=0;};cla in public=in the public places? struct product { char code[5]; float price; }y[4]={100,100}; 一下表达式错误的是：A （*y).code[0]='2' B y[0].code[0]='2' C y->price=10 D (*y)->price=10 public public public CLA表示什么意思 CLA有什么功效 CLA是什么意思 谢谢 CLA这首歌什么意思