#include<iostream>
using namespace std;
class A{
public:
int x1;
const int x2;
//不能直接初始化x3
const static int x3;
static int x4;
public:
//不能在构造函数中初始化x3
A(int y):x2(y)
{
x1=1;
}
void func1() const
{
;
}
};
//貌似只能在外面初始化
const int A::x3=1;
int A::x4=0;
int main()
{
return 0;
}