20 lines
425 B
C++
20 lines
425 B
C++
#include <iostream>
|
|
using namespace std;
|
|
|
|
int count = 0; // 全局(::)的count
|
|
|
|
class A {
|
|
public:
|
|
static int count; // 类A的count (A::count)
|
|
};
|
|
// 静态变量必须在此处定义
|
|
int A::count;
|
|
int main() {
|
|
::count = 1; // 设置全局的count为1
|
|
A::count = 5; // 设置类A的count为2
|
|
cout << A::count << endl;
|
|
// int count=3; // 局部count
|
|
// count=4; // 设置局部的count为4
|
|
return 0;
|
|
}
|