From 68f26804c54280ad86ce639ae428fdf3b670de8b Mon Sep 17 00:00:00 2001
From: Tim Yates <tyates@picr.man.ac.uk>
Date: Mon, 2 Sep 2013 12:57:29 +0100
Subject: Added a few more examples for List manipulation

---
 groovy.html.markdown | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

(limited to 'groovy.html.markdown')

diff --git a/groovy.html.markdown b/groovy.html.markdown
index e440ef00..63cef76b 100644
--- a/groovy.html.markdown
+++ b/groovy.html.markdown
@@ -54,15 +54,26 @@ println x
 //Creating an empty list
 def technologies = []
 
-//Add an element to the list
-technologies << "Groovy"
+/*** Adding a elements to the list ***/
+
+// As with Java
 technologies.add("Grails")
+
+// Left shift adds, and returns the list
+technologies << "Groovy"
+
+// Add multiple elements
 technologies.addAll(["Gradle","Griffon"])
 
-//Remove an element from the list
+/*** Removing elements from the list ***/
+
+// As with Java
 technologies.remove("Griffon")
 
-//Iterate over elements of a list
+// Subtraction works also
+technologies = technologies - 'Grails'
+
+// Iterate over elements of a list
 technologies.each { println "Technology: $it"}
 technologies.eachWithIndex { it, i -> println "$i: $it"}
 
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