Have to use Character.isLetterOrDigit in Java.

Write a recursive method to eliminate white space and punctuation from a string.

public class Lab { public static void main (String args[]) { String s="How are you today?"; System.out.println(removeWS(s)); s="The year is 2017 don't you know?"; System.out.println(removeWS(s)); s="!@l#$e%^&v*e()r_+=-"; System.out.println(removeWS(s)); }

public static String removeWS(String a) { }

}