Collections
Lists and maps have concise literals and rich methods.
What you will be able to do
- Lists use [].
- Maps use [key: value].
- Use each, findAll and collect.
In plain English
Lists and maps have concise literals and rich methods.
- Lists use [].
- Maps use [key: value].
- Use each, findAll and collect.
def lessons = [[title: "HTML", minutes: 12], [title: "CSS", minutes: 18]]
def long = lessons.findAll { it.minutes >= 15 }
println long.collect { it.title }Your turn
EasyExplain it back
Answer from memory: Which method filters a Groovy collection?
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Knowledge checkQuestion 1
Which method filters a Groovy collection?
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