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。