58 lines
1.9 KiB
Java
58 lines
1.9 KiB
Java
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package java.util;
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public class LinkedHashSet<E>
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extends HashSet<E>
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implements Set<E>, Cloneable, java.io.Serializable {
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private static final long serialVersionUID = -2851667679971038690L;
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/**
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* Constructs a new, empty linked hash set with the specified initial
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* capacity and load factor.
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*
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* @param initialCapacity the initial capacity of the linked hash set
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* @param loadFactor the load factor of the linked hash set
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* @throws IllegalArgumentException if the initial capacity is less
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* than zero, or if the load factor is nonpositive
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*/
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public LinkedHashSet(int initialCapacity, float loadFactor) {
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super(initialCapacity, loadFactor, true);
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}
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/**
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* Constructs a new, empty linked hash set with the specified initial
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* capacity and the default load factor (0.75).
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*
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* @param initialCapacity the initial capacity of the LinkedHashSet
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* @throws IllegalArgumentException if the initial capacity is less
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* than zero
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*/
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public LinkedHashSet(int initialCapacity) {
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super(initialCapacity, .75f, true);
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}
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/**
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* Constructs a new, empty linked hash set with the default initial
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* capacity (16) and load factor (0.75).
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*/
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public LinkedHashSet() {
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super(16, .75f, true);
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}
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/**
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* Constructs a new linked hash set with the same elements as the
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* specified collection. The linked hash set is created with an initial
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* capacity sufficient to hold the elements in the specified collection
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* and the default load factor (0.75).
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*
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* @param c the collection whose elements are to be placed into
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* this set
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* @throws NullPointerException if the specified collection is null
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*/
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public LinkedHashSet(Collection<? extends E> c) {
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super(Math.max(2*c.size(), 11), .75f, true);
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addAll(c);
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}
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}
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