Java's String implementation internally use UTF-16 ... It takes a String and transliterates it to a valid 7-bit ASCII String (obviously it also strips diacritic marks). For example: import ...

Android app to do text conversion for instance hex to ASCII string, clean space, clean to upper case, to lower case etc.

String Example. A few brief examples of String manipulations ... You need the Stopwatch class, a non standard Java class, as well. Program to create ASCII frequency table from file and url.