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