C++ POINTERS

Question

#include <iostream>
using namespace std;

int main() {
char st[20];
char st2[20];
char* p, * j;
cout << "enter a string:";
cin >> st;
p = &st[0];
j = &st2[0];

do {
*j = *p;
p++; j++;
} while (*p != '\0');
*j = '\0';
cout << st2;
}
HOW DOES IN THIS CODE 'st2' prints the string that the user insert , bcz I didn write that st = st2;
HOW IS THAT POSSIBLE?
CAN ANYONE HELP ME

Answer 1

Because of this .." *j = *p; "
..and " j " is a pointer to str2.