A real life usecase for LinkedHashSet can be storing data from stream where stream may contain duplicate records in the desired order, and we are only interested in distinct records but in exactly same order. Another usecase can be finding distinct words in a given sentence and order of wor...
Copy Operation 5:Clearing the LinkedHashSet In order to remove all the elements from the LinkedHashSet, we can use the clear() method. 示例: // Java Program to clear the elements from LinkedHashSet// Importing required classesimportjava.io.*;importjava.util.*;// Main class// ClearingLink...
代码语言:java AI代码解释 packagecom.example.javase.collection;importjava.util.LinkedHashSet;importjava.util.Scanner;/** * @Author ms * @Date 2023-10-22 21:41 */publicclassLinkedHashSetTest{publicstaticvoidmain(String[]args){// 读入文本Scannerscanner=newScanner(System.in);Stringtext=scanner.ne...
publicclassLinkedHashSet<E>extendsHashSet<E>implementsSet<E>, Cloneable, java.io.Serializable {privatestaticfinallongserialVersionUID=-2851667679971038690L;privatefinalLinkedHashMap<E,Object> map;// Dummy value to associate with an Object in the backing MapprivatestaticfinalObjectPRESENT=newObject();pub...
代码语言:java AI代码解释 public class LinkedHashSet<E> extends HashSet<E> implements Set<E>, Cloneable, java.io.Serializable { private static final long serialVersionUID = -2851667679971038690L; private final LinkedHashMap<E,Object> map; // Dummy value to associate with an Object in the back...
publicclassLinkedHashSet<E>extendsHashSet<E>implementsSet<E>,Cloneable,java.io.Serializable{privatestaticfinallongserialVersionUID=-2851667679971038690L;privatefinalLinkedHashMap<E,Object>map;// Dummy value to associate with an Object in the backing MapprivatestaticfinalObjectPRESENT=newObject();publicLink...
[Android.Runtime.Register("java/util/LinkedHashSet", DoNotGenerateAcw=true)] [Java.Interop.JavaTypeParameters(new System.String[] { "E" })] public class LinkedHashSet : Java.Util.HashSet, IDisposable, Java.Interop.IJavaPeerableInheritance Object Object AbstractCollection AbstractSet HashSet Link...
publicclassHashSet<E>extendsAbstractSet<E>implementsSet<E>, Cloneable, java.io.Serializable {privatetransientHashMap<E,Object> map;// Dummy value to associate with an Object in the backing MapprivatestaticfinalObjectPRESENT=newObject();publicHashSet(){ ...
import java.util.HashSet; import java.util.Objects; public class HashT { public static void main(String[] args) { //创建一个HashSet集合: HashSet<Integer> hsi = new HashSet<>(); System.out.println(hsi.add(9));//true hsi.add(5); System.out.println(hsi.add(9));//false 这个9没...
import java.util.HashSet; class EuqalsObj { public boolean equals(Object obj) { return true; } } class HashCodeObj { public int hashCode() { return 1; } } class HashSetObj { public int hashCode() { return 2; } public boolean equals(Object obj) ...