warning: deprecated conversion from string constant to 'char*

warning: deprecated conversion from string constant to 'char*

#include<iostream>
using namespace std;
class Student
{
private:
int age;
char*name;
public:
Student(int m, char *n)
{
age=m;name=n;
}
Student()
{
age=0;name="unnamed";
}
~ Student(){}
void SetMember ( int m,char *n )
{
age=m;name=n;
}
int Getage(){return age;}
char *Getname(){return name;}
};
int main()
{
Student stu[3]={Student(13,"wang"),Student(),Student()} ;

stu[2].SetMember(12,"zhang");

cout<<stu[0].Getage()<<","<<stu[0].Getname()<<endl;
cout<<stu[1].Getage()<<","<<stu[1].Getname()<<endl;
cout<<stu[2].Getage()<<","<<stu[2].Getname()<<endl;
return 0;
}

 

 

 

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#include<iostream> using namespace std; class Student { private:     int age;     const char*name; public:     Student(int m, const char *n) {         age=m;         name=n;     }     Student() {         age=0;         name="unnamed";     }     ~ Student() {}     void SetMember ( int m,const char *n ) {         age=m;         name=n;     }     int Getage() {         return age;     }     const char *Getname() {         return name;     } }; int main() {     Student stu[3]= {Student(13,"wang"),Student(),Student()} ;       stu[2].SetMember(12,"zhang");       cout<<stu[0].Getage()<<","<<stu[0].Getname()<<endl;     cout<<stu[1].Getage()<<","<<stu[1].Getname()<<endl;     cout<<stu[2].Getage()<<","<<stu[2].Getname()<<endl;     return 0; }

看你的实现，传给Student类的字符串都是不可变的，都加上const就好了；否则你就要复制一份并且自己管理那块内存了。