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/TestTraitEx1.groovy
Created Apr 23, 2014

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// 簡單的 trait
trait SwimmingAbility {
def swim() {
println "swimming.."
}
}
class Goldfish
implements SwimmingAbility // 使用單個 trait
{
}
def goldfish = new Goldfish()
goldfish.swim() // 直接可用 trait 的 method
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