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 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 string methods returns the string value converted to uppercase?1 pointindexOf()toUpperCase()concat()length()charAt()equals()

What function can you use to get the position of a string or character inside a string?Question 13Select one:a.string_position()b.length()c.len()d.strrpos()

Which of the following functions is used to find the position of the particular substring within a string? Answer choicesSelect only one optionREVISITFINDSEARCHFINDALL

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