Data update

Task/Substring-Top-and-tail/Arturo/substring-top-and-tail.arturo

@@ -2,12 +2,12 @@ knight: "knight"
 socks: "socks"
 brooms: "brooms"
 
-print drop knight 1                     ; strip first character
+print drop knight.                      ; strip first character
 print slice knight 1 (size knight)-1    ; alternate way to strip first character
 
 print chop socks                        ; strip last character
 print take socks (size socks)-1         ; alternate way to strip last character
 print slice socks 0 (size socks)-2      ; yet another way to strip last character
 
-print chop drop brooms 1                ; strip both first and last characters
+print chop drop brooms                  ; strip both first and last characters
 print slice brooms 1 (size brooms)-2    ; alternate way to strip both first and last characters

Task/Substring-Top-and-tail/Java/substring-top-and-tail-2.java

@@ -0,0 +1,16 @@
+public class SubstringTopAndTail {
+  public static void main( String[] args ){
+    var s = "\uD83D\uDC0Eabc\uD83D\uDC0E";  // Horse emoji, a, b, c, horse emoji: "🐎abc🐎"
+
+    var sizeOfFirstChar = Character.isSurrogate(s.charAt(0)) ? 2 : 1;
+    var sizeOfLastChar = Character.isSurrogate(s.charAt(s.length() - 1)) ? 2 : 1;
+
+    var removeFirst = s.substring(sizeOfFirstChar);
+    var removeLast = s.substring(0, s.length() - sizeOfLastChar);
+    var removeBoth = s.substring(sizeOfFirstChar, s.length() - sizeOfLastChar);
+
+    System.out.println(removeFirst);
+    System.out.println(removeLast);
+    System.out.println(removeBoth);
+  }
+}