题解 | #浅拷贝和深拷贝#
浅拷贝和深拷贝
https://www.nowcoder.com/practice/535753110cbd4e8987adc2e67f392ab7
#include <iostream>
#include <cstring>
#pragma warning(disable : 4996)
using namespace std;
class Person {
public:
char* name; // 姓名
int age; // 年龄
Person(const char* name, int age) {
this->name = new char[strlen(name) + 1];
strcpy(this->name, name);
this->age = age;
}
// write your code here......
Person(const Person& person)
{
this->name = new char[strlen(person.name) + 1];
strcpy(this->name, person.name);
this->age = person.age;
}
void showPerson() {
cout << name << " " << age << endl;
}
~Person() {
if (name != nullptr) {
delete[] name;
name = nullptr;
}
}
};
int main() {
char name[100] = { 0 };
int age;
cin >> name;
cin >> age;
Person p1(name, age);
Person p2 = p1;
p2.showPerson();
return 0;
}
拷贝构造函数,记得char数组要用new开辟空间。
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