$2.$ Create a class charAndStrings in java and add methods to the class to do the following:

$$ showASCII$($char ch$)$ : displays the numeric value $($ASCII$)$ for the character.

$$ countLowerCase$($String S$)$ : displays the count of lowercase characters in the String

S$.$

$$ isALetter$($char ch$)$ : displays if the input is a letter or not a letter.

$$ isADigit$($char ch$)$ : displays if the input is a digit or not a digit.