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V2EX  ›  ofnullable
sandman511 Optional.ofNullable(map.get("xxx")).orElse("").toString();有更简洁 Map 取值 toString 方法吗
Java  •  sandman511  •  May 26, 2020  •  Lastly replied by Mistwave 		11
acr0ss 吐槽 Java 8 的 Optional
Java  •  acr0ss  •  Oct 7, 2017  •  Lastly replied by troywinter 		32
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