java indexof code example

Example 1: find first occurrence of character in string

// applies to C#
string S = "Any String At All"
int Sindex = S.indexOf("A") // accepts string or char arguments. 

// "Sindex" would be equal to "0", as the indexOf(); meathod returns
// the index position of the first occurance of the specified argument.

Example 2: java indexof not found

The java string indexOf() method returns index of given character value or substring. If it is not found, it returns -1. The index counter starts from zero.