From 92f0d3b37e533a8f9aff893934a3ab293a5c8088 Mon Sep 17 00:00:00 2001
From: andrewome <andrewong3012@gmail.com>
Date: Wed, 19 Sep 2018 16:00:29 +0800
Subject: [PATCH] Changed CommandResult method to an abstract method

---
 src/seedu/addressbook/commands/Command.java | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/seedu/addressbook/commands/Command.java b/src/seedu/addressbook/commands/Command.java
index a54cbcb5b..ccd4fcbf4 100644
--- a/src/seedu/addressbook/commands/Command.java
+++ b/src/seedu/addressbook/commands/Command.java
@@ -39,12 +39,7 @@ public static String getMessageForPersonListShownSummary(List<? extends ReadOnly
     /**
      * Executes the command and returns the result.
      */
-    public CommandResult execute(){
-        throw new UnsupportedOperationException("This method should be implement in child classes");
-    }
-
-    //Note: it is better to make the execute() method abstract, by replacing the above method with the line below:
-    //public abstract CommandResult execute();
+    public abstract CommandResult execute();
 
     /**
      * Supplies the data the command will operate on.