Java中的 CopyOnWriteArraySet spliterator() 方法

CopyOnWriteArraySet的spliterator()方法以正确的顺序在此 Set 中的元素上返回一个拆分器。在分离器上操作时不需要同步。

句法：

public Spliterator spliterator()

返回值：该函数返回集合中元素的拆分器。

下面的程序说明了上述函数：

方案一：

// Java Program to illustrate the CopyOnWriteArraySet
// spliterator() method in Java
  
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create object of CopyOnWriteArraySet
        CopyOnWriteArraySet ArrSet
            = new CopyOnWriteArraySet();
  
        // Add elements
        ArrSet.add(32);
        ArrSet.add(67);
        ArrSet.add(67);
        ArrSet.add(100);
  
        // print CopyOnWriteArraySet
        System.out.println("CopyOnWriteArraySet: "
                           + ArrSet);
  
        Spliterator
            numbers = ArrSet.spliterator();
  
        // print result from Spliterator
        System.out.println("Set of Numbers:");
  
        // forEachRemaining method  of Spliterator
        numbers
            .forEachRemaining(
                (n) -> System.out.println(n));
    }
}

输出：

CopyOnWriteArraySet: [32, 67, 100]
Set of Numbers:
32
67
100

方案二：

// Java Program to illustrate the CopyOnWriteArraySet
// spliterator() method in Java
  
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create object of CopyOnWriteArraySet
        CopyOnWriteArraySet ArrSet
            = new CopyOnWriteArraySet();
  
        // Add elements
        ArrSet.add("gopal");
        ArrSet.add("gfg");
        ArrSet.add("jgec");
        ArrSet.add("sudo");
  
        // print CopyOnWriteArraySet
        System.out.println("CopyOnWriteArraySet: "
                           + ArrSet);
  
        Spliterator
            numbers = ArrSet.spliterator();
  
        // print result from Spliterator
        System.out.println("Set of strings:");
  
        // forEachRemaining method  of Spliterator
        numbers
            .forEachRemaining(
                (n) -> System.out.println(n));
    }
}

输出：

CopyOnWriteArraySet: [gopal, gfg, jgec, sudo]
Set of strings:
gopal
gfg
jgec
sudo

参考： https: Java/util/concurrent/CopyOnWriteArraySet.html#spliterator–