[C++] Binary File Input/Output

person.h

#include<cstring>
class person
{
    private:
    char name[8];
    int phone_num;
    public:
        person(char s[]="abc",int n=0){
            strcpy(name,s);
            phone_num=n;
        }
        char *getName(){
            return name;
        }
        int getPhone()
        {
            return phone_num;
        }
};

BinaryFileOutput.cpp

#include<iostream>
#include<fstream>
#include"person.h"
using namespace std;

int main()
{
    ofstream output("test.txt",ios::binary);
    person group[3]={person("Marry",100),person("Tom",101),person("Jack",102)};
    output.write((char*)group,sizeof(group));
    return 0;
}

BinaryFileInput.cpp

#include<iostream>
#include<fstream>
#include"person.h"
using namespace std;

int main()
{
    ifstream input("test.txt",ios::binary);
    person *temp_person=new person[3];
    input.read((char*)temp_person,sizeof(person)*3);
    for(int i=0;i<3;i++)
    {
        cout<<temp_person[i].getName()<<" "<<temp_person[i].getPhone()<<endl;
    } 
    return 0;
}