Java中的 CopyOnWriteArrayList spliterator() 方法

CopyOnWriteArrayList的spliterator()方法以正确的顺序返回此列表中元素的拆分器。在分离器上操作时不需要同步。

句法：

public Spliterator spliterator()

参数：该函数不接受任何参数。

返回值：该函数返回列表中元素的拆分器。

下面的程序说明了上述函数：

方案一：

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

输出：

CopyOnWriteArrayList: [32, 67, 67, 100]
list of Numbers:
32
67
67
100

方案二：

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

输出：

CopyOnWriteArrayList: [gopal, gfg, jgec, sudo]
list of strings:
gopal
gfg
jgec
sudo

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