5. LinkedHashSet Convert ArrayList to LinkedHashSet in Java Example The linked list defines the iteration ordering, which is the order in which elements were inserted into the set. Java LinkedHashSet class is a Hashtable and Linked list implementation of the Set interface. LinkedHashSet on other hand is the implementation of set interface and it inherits Hashset … Methods of List. 这是一个抽象的想法，有很多实现，但是基本上是同一件事，是一堆东西。 Java使用Collection而不是硬编码的实现(例如ArrayList)来从一种实现转换为另一种实现-就像您的情况一样，当您想要使用LinkedHashSet而不是HashSet时，无需重写您要将参数传递给的方法/类。 There are several operations possible on a graph data structure, such as creating, updating or searching through the graph. How to Convert LinkedHashMap to List in Java? - GeeksforGeeks Java LinkedHashSet Tutorial with Examples - HelloKoding How to Convert all LinkedHashMap Values to a List in Java? LinkedHashSet () Constructs a new, empty linked hash set with the default initial capacity (16) and load factor (0.75). We can iterate through LinkedHashSet in reverse order. Set computerGenerations = new LinkedHashSet<> () We would like to convert LinkedHashSet to Array of Strings in java. Next, use LinkedHashSet to remove the duplicates and preserve the order as in the original list. We can retrieve the elements in the same order we insert it. If we try to store duplicate elements then add () method of Set (I) returns false as result. Remove Duplicate Elements Present in List Java