class A; class B { A *m_a; public:B(A *a) :m_a(a) { } }; class A { A() :b(this) { } B b; };这段代码中A() :b(this)这句话不是对成员变量b进行初始化吗 但是在B类中没有无参数的构造函数 这段代码 我看不懂
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We are in____ a.one class b.class one c.Class One d.Class one
We are in____ .a.one class b.Class First c.Class One d.Class one
what class are you in? 回答( ) A:class B:class three C:Class Three D:Class three
public class test(){ public Class a(int i) {} public static class b{} }public class test(){public Class a(int i) {}public static class b{}}
They are having ---A,a class B,English class.C,Chinese class请问选哪一个
判断 we are in() A ,Class three B,class 3 C,Class Three
It time for ____. a,clsss b ,have class,c,to class,d,has class
Don't talk loudly here.The students_____.A.have class B.are having class C.class D.are have class
After() class,they often play soccer.A.having B.the class C.have class D.class over顺便讲讲道理,
Is your brother in ____?A.Class three B.Class Three C.class five D.class Five
Mary and her brother are in ___.A.class one B.Class One C.one class D.One Class
have a class是什么意思
have a class meeting
have a class party
give you a class
CLASS:A怎么翻译
on a first-class
a world class photographer