# 比較 delegate , Task, Lazy 的行為方式

delegate : 是方法 所以 執行後才會開始運作, 所以得到的結果皆為每次執行後結果

Task : 是工作 所以 建立後馬上執行 並且可等待其回應, 所以每次都得到首次執行的回傳結果

Lazy : 是延後執行 所以 物件建立的方法要在物件存取時才會被執行, Lazy可在建立時定義每次存取的結果運作方式


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