Though Java already has a character type and char keyword to represent and manipulate characters, the language also requires a Character class for two reasons: Character c1 = new Character ('A'); ...

- [How to Remove the Last Character of a String?](https://www.baeldung.com/java-remove-last-character-of-string) - [Add a Character to a String at a Given Position ...

The goal of this code is to determine whether a one-to-one character mapping exists from one string, s1, to another string,s2. For example, Given s1 = abc and s2 = bcd , print " true" into stdout ...