Demonstration of how a character is also stored like a number only.
Demonstration of how a character and integer can be inter-converted by implicit and explicit style of type casting.
Converting a character to it equivalent Wrapper class object so that many methods can be applied on it.
Using isMethods on character like isDigit(), isLetter(), isLetterOrDigit, isUpperCase(), isLowerCase(), isWhitespace() and getting the boolean or true/false status returned
( As In Exam - ICSC2018 )
Write a difference between the functions isUpperCase() and toUpperCase().