
public abstract class LonelyTweetModel {

}

@@ -1,45 +1,67 @@
-%0Apublic abstract class LonelyTweetModel %7B%0A
+package com.example.qyu4.theallswap;%0A%0Apublic class Inventory%7B%0A  
 %0A%7D%0A

Update Inventory.java