if (true) { def key = 'x' def map = [key: 'treasure'] def val = map.get(key) println val } if (true) { def map = [2: 'treasure'] def key = 2 def val = map."$key" println val } if (true) { List list = [1,2,3] def now = new Date() list << now println list println list*.class.name } if (true) { def map = [metaClass: "Frequency"] println "What's the $map.metaClass, dude?" } def static hello(n) { ['9': "Hell${n}, Alex!"] } def result = hello 09 println result