Which method in StringBuffer is used to obtain the index within the sequence of the first occurrence of a specified character or substring?a)findFirst()b)indexOf()c)search()d)locate()

Which of the following methods in StringBuffer returns a substring based on the specified indices?a)substring()b)substr()c)subString()d)slice()

Which of the following built-in string methods can be used to find the character at a specific index position?length()charAt()main()toUpperCase()

Which of the following function is used to find the first occurrence of a given string in another string?

Which of the following function is used to find the first occurrence of a given string in another string? strrchr() strstr() strnset() strchr()

What is the Python find() method used for?1 pointThe method finds every second index of a substringThe method finds the starting index of a substringThe method finds the ending index of a substring