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Added a few more examples for List manipulation

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Tim Yates 2013-09-02 12:57:29 +01:00
parent 39b96dd2db
commit 68f26804c5
1 changed files with 15 additions and 4 deletions
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19
groovy.html.markdown
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@ -54,15 +54,26 @@ println x
//Creating an empty list //Creating an empty list
def technologies = [] def technologies = []
//Add an element to the list /*** Adding a elements to the list ***/
technologies << "Groovy"
// As with Java
technologies.add("Grails") technologies.add("Grails")
// Left shift adds, and returns the list
technologies << "Groovy"
// Add multiple elements
technologies.addAll(["Gradle","Griffon"]) technologies.addAll(["Gradle","Griffon"])
//Remove an element from the list /*** Removing elements from the list ***/
// As with Java
technologies.remove("Griffon") 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.each { println "Technology: $it"}
technologies.eachWithIndex { it, i -> println "$i: $it"} technologies.eachWithIndex { it, i -> println "$i: $it"}