Converting a char to uppercase in Java
You can use Character#toUpperCase() for this. char fUpper = Character.toUpperCase(f); char lUpper = Character.toUpperCase(l); It has however some limitations since the world is aware of many more characters than can ever fit in 16bit char range. See also the following excerpt of the javadoc: Note: This method cannot handle supplementary characters. To support all Unicode … Read more