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Which of the following is the correct way to find out the index of the second 's' in the string "She sells sea shells on the sea-shore"?

String str = "She sells sea shells on the sea-shore";  int i; i = str.SecondIndexOf("s");

String str = "She sells sea shells on the sea-shore";  int i, j; i = str.FirstIndexOf("s");  j = str.IndexOf("s", i + 1);

String str = "She sells sea shells on the sea-shore";  int i, j; i = str.IndexOf("s");  j = str.IndexOf("s", i + 1);

String str = "She sells sea shells on the sea-shore";  int i, j; i = str.LastIndexOf("s");  j = str.IndexOf("s", i - 1);

String str = "She sells sea shells on the sea-shore";  int i, j; i = str.IndexOf("S");  j = str.IndexOf("s", i);

Answer : Option C

Explanation :

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