ops is last element a number funktion

src/main/java/de/uniluebeck/mi/projmi6/model/Icd10Code.java

@@ -34,4 +34,15 @@ public class Icd10Code {
     public String toString() {
         return code+" - "+ text;
     }
-}
+
+
+    public boolean isLastElementANumber() {
+        String lastElement = code.substring(code.length() - 1);
+        char[] lastEl = lastElement.toCharArray();
+        if (Character.isDigit(lastEl[0])) {
+            return true;
+        }
+        return false;
+    }
+
+}