1. Which of the following statements are correct about the below declarations?
char p = "Sanjay";
char a[] = "Sanjay"; 1: There is no difference in the declarations and both serve the same purpose. 2: p is a non-const pointer pointing to a non-const string, whereas a is a const pointer pointing to a non-const pointer. 3: The pointer p can be modified to point to another string, whereas the individual characters within array a can be changed. 4: In both cases the '\0' will be added at the end of the string "Sanjay".