Which of the following is correct way to convert a String to an int? 1 String s = "123"; int i; i = (int)s; 2 String s = "123"; int i; i = int.Parse(s); 3 String s = "123"; int i; i = Int32.Parse(s); 4 String s = "123"; int i; i = C

Which of the following is correct way to convert a String to an int?

1 String s = "123";
int i;
i = (int)s;

2 String s = "123";
int i;
i = int.Parse(s);

3 String s = "123";
int i;
i = Int32.Parse(s);

4 String s = "123";
int i;
i = Convert.ToInt32(s);

5 String s = "123";
int i;
i = CInt(s);