又稱為註解。
附註
警告側邊
警告：使用警告旁邊的文字，指出潛在陷阱或複雜性。
獨立元素
除非另有註明，否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權，程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
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