Java 基礎數據結構分析

java -version java version "13.0.2" 2020-01-14 Java(TM) SE Runtime Environment (build 13.0.2+8) Java HotSpot(TM) 64-Bit Server VM (build 13.0.2+8, mixed mode, sharing) Array 數組能夠做到 快速隨機訪問 元素，這是因爲當我們創建

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