35 lines
448 B
C++
35 lines
448 B
C++
// 运行以下程序，写出其输出的结果？
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#include <iostream>
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using namespace std;
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class Test
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{
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public:
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Test(int i = 0)
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{
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cout << i;
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}
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Test(const Test &x)
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{
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cout << 2;
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}
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Test &operator=(const Test &x)
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{
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cout << 3;
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return *this;
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}
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~Test()
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{
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cout << 4;
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}
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};
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int main()
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{
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Test obj1(1), obj2(2);
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Test obj3 = obj1;
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return 0;
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}
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/* 122444 */ |