LinkedHashSet 源码分析

LinkedHashSet 源码分析

简要说明

源码分析

Set set = new LinkedHashSet();

// 使用默认初始容量16和加载因子构造一个新的空链接哈希集
public LinkedHashSet() {
	super(16, .75f, true);
}

// 构造一个新的空链接哈希集。
HashSet(int initialCapacity, float loadFactor, boolean dummy) {
      map = new LinkedHashMap<>(initialCapacity, loadFactor);
    }
    
//构造一个具有指定初始容量和负载因子loadFactor的实例
public LinkedHashMap(int initialCapacity, float loadFactor) {
        super(initialCapacity, loadFactor);
        accessOrder = false;
    }

    public HashMap(int initialCapacity, float loadFactor) {
        if (initialCapacity < 0)
            throw new IllegalArgumentException("Illegal initial capacity: " +
                                               initialCapacity);
        if (initialCapacity > MAXIMUM_CAPACITY)
            initialCapacity = MAXIMUM_CAPACITY;
        if (loadFactor <= 0 || Float.isNaN(loadFactor))
            throw new IllegalArgumentException("Illegal load factor: " +
                                               loadFactor);
        this.loadFactor = loadFactor;
        this.threshold = tableSizeFor(initialCapacity);
    }