C++实例初始化语法

#include<iostream>
#include<vector>

class MyClass {
public:
    int x;
    int y;
};

int main() {
    // 使用C++实例初始化语法初始化MyClass对象
    MyClass obj1{10, 20};

    // 输出obj1对象的值
    std::cout << "obj1.x = "<< obj1.x << ", obj1.y = "<< obj1.y<< std::endl;

    // 使用列表初始化初始化一个vector对象
    std::vector<int> vec1{1, 2, 3, 4, 5};

    // 输出vector对象的值
    for (int i = 0; i < vec1.size(); i++) {
        std::cout << "vec1[" << i << "] = "<< vec1[i]<< std::endl;
    }

    return 0;
}

obj1.x = 10, obj1.y = 20
vec1[0] = 1
vec1[1] = 2
vec1[2] = 3
vec1[3] = 4
vec1[4] = 5