problem's of samrat

#include <iostream>

using namespace std;

class test
{
    public:
    char* a[4];
    char* def();
};

char* test::def()
{

    char* a[]={"aac","def","shc","hrg"};
    return a[0];

}

int main()
{

    test ob;
    ob.a[0]=ob.def();
    cout << ob.a[0]<< endl;
    return 0;
}