Java中的ConcurrentSkipListSet spliterator（）方法-yiteyi-C++库

这个 JAVAutil。同时发生的ConcurrentSkipListSet。拆分器（） 方法是Java中的一个内置函数，它在该集合的元素之间返回一个弱一致的拆分器。

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语法：

ConcurrentSkipListSet.spliterator()

参数： 该函数不接受任何参数。

返回值： 该函数返回此集合元素的拆分器。

下面的程序演示了ConcurrentSkipListSet。spliterator（）方法：

项目1：

                     // Java Program Demonstrate Spliterator()                   
                     // method of ConcurrentSkipListSet                   
                             
                     import                               java.util.Spliterator;                   
                     import                               java.util.concurrent.ConcurrentSkipListSet;                   
                             
                     class                               ConcurrentSkipListSetSpliteratorExample1 {                   
                                         public                               static                               void                               main(String[] args)                   
                                         {                   
                                         // Initializing the set                   
                                         ConcurrentSkipListSet<String> set =                   
                                         new                               ConcurrentSkipListSet<String>();                   
                             
                                         // Adding elements to this set                   
                                         set.add(                               "Gfg"                               );                   
                                         set.add(                               "is"                               );                   
                                         set.add(                               "best!!"                               );                   
                             
                                         // spliterator split and iterate                   
                                         // the split parts in parallel                   
                                         Spliterator<String> str = set.spliterator();                   
                             
                                         // performs the action for each remaining element                   
                                         str.forEachRemaining(                   
                                         (n) -> {                   
                                         String lc = n.toUpperCase();                   
                                         System.out.println(                               " Lower case = "                               + n);                   
                                         System.out.println(                               " Upper case = "                               + lc);                   
                                         System.out.println();                   
                                         });                   
                                         }                   
                     }                   

输出：

Lower case = Gfg
Upper case = GFG

Lower case = best!!
Upper case = BEST!!

Lower case = is
Upper case = IS

项目2：

                     // Java Program Demonstrate Spliterator()                   
                     // method of ConcurrentSkipListSet                   
                             
                     import                               java.util.Spliterator;                   
                     import                               java.util.concurrent.ConcurrentSkipListSet;                   
                             
                     class                               ConcurrentSkipListSetSpliteratorExample2 {                   
                                         public                               static                               void                               main(String[] args)                   
                                         {                   
                                         // Initializing the set                   
                                         ConcurrentSkipListSet<Character> set =                   
                                         new                               ConcurrentSkipListSet<Character>();                   
                             
                                         // Adding elements to this set                   
                                         for                               (                               char                               ch =                               'A'                               ; ch <=                               'Z'                               ; ch++) {                   
                                         set.add(ch);                   
                                         }                   
                             
                                         // Printing elements in the set                   
                                         System.out.print(                               "The elements in the set are : "                               );                   
                             
                                         // spliterator  split and iterate                   
                                         // the split parts in parallel                   
                                         Spliterator<Character> str = set.spliterator();                   
                             
                                         // if element exists tryAdvance() will perform action                   
                                         while                               (str.tryAdvance((n) -> System.out.print(n +                               " "                               )))                   
                                         ;                   
                                         }                   
                     }                   

输出：

The elements in the set are : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

参考： https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentSkipListSet.html#spliterator–

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