concurrenthashmap

https://blog.csdn.net/mine_song/article/details/70140596

源码

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public class <K, V>
extends AbstractMap<K, V>
implements ConcurrentMap<K, V>, Serializable {



}

继承关系

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java.lang.Object  
↳ java.util.AbstractMap<K, V>
↳ java.util.concurrent.ConcurrentHashMap<K, V>

特点

构造函数