@@ -0,0 +1,380 @@
+public class isogram %7B%0A    public static boolean  isIsogram(String str) %7B%0A        int%5B%5D letters = new int%5B'z'- 'a'%5D;%0A        str = str.toLowerCase();%0A        for (int i=0; i%3Cstr.length(); i++)%7B%0A          int index = (str.charAt(i)) -'a';%0A          if (letters%5Bindex%5D == 1)%7B%0A            return false;%0A          %7D%0A          letters%5Bindex%5D++;%0A        %7D%0A        return true;%0A    %7D %0A%7D%0A

Create isogram.java