@@ -0,0 +1,502 @@
+/**%0A * @author effine%0A * @Date 2015%E5%B9%B45%E6%9C%888%E6%97%A5  %E4%B8%8B%E5%8D%881:47:28%0A * @email verphen#gmail.com%0A */%0A%0Apackage cn.effine.thinking;%0A%0A/**%0A * %E7%AE%80%E6%98%93%E7%89%88ArrayList%0A */%0Aclass ArrList %7B%0A%09private Object obj;%0A%0A%09public Object getObj() %7B%0A%09%09return obj;%0A%09%7D%0A%0A%09public void add(Object obj) %7B%0A%09%09this.obj = obj;%0A%09%7D%0A%0A%7D%0A%0Apublic class TestArrayList %7B%0A%09public static void main(String%5B%5D args) %7B%0A%09%09ArrList arrList = new ArrList();%0A%09%09arrList.add(1);%0A%09%09arrList.add(%221%22);%0A%0A%09%09Integer objInt = (Integer) arrList.getObj();%0A%09%09System.out.println(objInt);%0A%09%7D%0A%7D

add test arraylist