add Version Compare Func

src/com/company/Version.java

@@ -117,7 +117,37 @@ public enum Version {
         return 3;
     }
 
+    /**
+     * @description compare doted formatted Versions
+     * @return 0|1|2
+     * 0 = less
+     * 1 = same
+     * 2 = more
+     */
+    public static int compare(String A, String B) {
+        if (A.contains(".") || B.contains(".")) {
+            // example 2 vs 1.3
+            if (!(A.contains(".") && B.contains("."))) {
+                if (A.contains(".")) {
+                    return compare(A,B + ".0");
+                }
+                if (B.contains(".")) {
+                    return compare(A + ".0",B);
+                }
+            }
 
-        return 0;
+            //normal compare
+            int a = Integer.parseInt(A.substring(0,A.indexOf(".")));
+            int b = Integer.parseInt(B.substring(0,B.indexOf(".")));
+            if (a < b) return 0;
+            if (a == b) return compare(A.substring(A.indexOf(".")+1),B.substring(B.indexOf(".")+1));
+            return 2; //if (a > b)
+        } else {
+            int a = Integer.parseInt(A);
+            int b = Integer.parseInt(B);
+            if (a < b) return 0;
+            if (a == b) return 1;
+            return 2; //if (a > b)
+        }
     }
 }