@@ -0,0 +1,218 @@
+package org.psjava.javautil;%0A%0Aimport java.util.Comparator;%0A%0Apublic class DefaultComparator%3CT extends Comparable%3CT%3E%3E implements Comparator%3CT%3E %7B%0A%09public int compare(T arg0, T arg1) %7B%0A%09%09return arg0.compareTo(arg1);%0A%09%7D%0A%0A%7D%0A

add util class