构造和析构的综合练习-复习看这里

#include 
#include 
#include 
#include 

using namespace std;

class Test1{
public:
    Test1(int a,int b,int c)
    {
        this->m_a = a;
        this->m_b = b;
        this->m_c = c;
        cout<<"有参构造函数Test1 "<m_a<<" "<m_b<<" "<m_c<m_a<<" "<m_b<<" "<m_c<m_a;
    }
  
private:
   int m_a;
   int m_b;
   int m_c;
};

class Test2{
public:
    //C++中提供初始化列表对成员变量进行初始化
    //Test2中组合了Test1的对象，并且Test1的对象 有构造函数
    //Test1有了构造函数必须使用，就出现构造函数的初始化列表
    Test2():t1(1,2,3),t2(4,5,6),c(100)
    {
        
         cout<<"Test2有参构造函数1"<