Java review集合框架collection map 的相关内容

文章 2023-05-28 来自：开发者社区

Java Review - 集合框架=Collection+Map

概述容器，就是可以容纳其他Java对象的对象。 Java Collections Framework(JCF) 为Java开发者提供了通用的容器。我们知道 Java容器里只能放对象，对于基本类型(int, long, float, double等)，需要将其包装成对象类型后(Integer, Long, Float, Double等)才能放到容器里。很多时候拆箱和装箱能够自动完成。这虽然会导致额....

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更新时间 2024-01-04 10:42:31

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