CopyOnWriteArraySet的spliterator()方法按适当的顺序返回此Set中的元素的分隔符。在分离器上运行时无需同步。
用法:
public Spliterator spliterator()
返回值:该函数在Set中的元素上返回一个分隔符。
以下示例程序旨在说明上述函数:
示例1:
// 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<Integer> ArrSet
= new CopyOnWriteArraySet<Integer>();
// Add elements
ArrSet.add(32);
ArrSet.add(67);
ArrSet.add(67);
ArrSet.add(100);
// print CopyOnWriteArraySet
System.out.println("CopyOnWriteArraySet: "
+ ArrSet);
Spliterator<Integer>
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
示例2:
// 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<String> ArrSet
= new CopyOnWriteArraySet<String>();
// Add elements
ArrSet.add("gopal");
ArrSet.add("gfg");
ArrSet.add("jgec");
ArrSet.add("sudo");
// print CopyOnWriteArraySet
System.out.println("CopyOnWriteArraySet: "
+ ArrSet);
Spliterator<String>
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://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CopyOnWriteArraySet.html#spliterator–
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