Android java.lang String Search

Description

Click the following links for the tutorial for java.lang and String Search.

1. Finds the index of the first word that starts with the given prefix.
2. find the nth index of a char c in a string. returns -1 if there aren't that many chars in the string
3. index Of string and handle null value
4. Returns true if a string contains any upper case characters.
5. find First Word Index
6. find Last Word Index
7. Count the occurrences of the substring in string
8. Does one string contain another, starting at a specific offset?