java.util.concurrent.ConcurrentSkipListSet的descendingIterator()方法是Java中的内置函数,用于按降序返回此集合中元素的迭代器。
用法:
ConcurrentSkipListSet.descendingIterator()
返回值:函数以降序返回此集合中元素的迭代器。
以下示例程序旨在说明ConcurrentSkipListSet.descendingIterator()方法:
程序1:
// Java Program Demonstrate descendingIterator()
// method of ConcurrentSkipListSet
import java.util.Iterator;
import java.util.concurrent.ConcurrentSkipListSet;
class ConcurrentSkipListSetIteratorExample1 {
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("fun!!");
// Returns an iterator over the elements
Iterator<String> iterator = set.descendingIterator();
// Printing the elements of the set
while (iterator.hasNext())
System.out.print(iterator.next() + " ");
}
}
输出:
is fun!! Gfg
程序2:
// Java Program Demonstrate descendingIterator()
// method of ConcurrentSkipListSet
import java.util.Iterator;
import java.util.concurrent.ConcurrentSkipListSet;
class ConcurrentSkipListSetIteratorExample1 {
public static void main(String[] args)
{
// Initializing the set
ConcurrentSkipListSet<Integer>
set = new ConcurrentSkipListSet<Integer>();
// Adding elements to this set
set.add(10);
set.add(15);
set.add(20);
set.add(25);
// Returns an iterator over the elements
Iterator<Integer> iterator = set.descendingIterator();
// Printing the elements of the set
while (iterator.hasNext())
System.out.print(iterator.next() + " ");
}
}
输出:
25 20 15 10
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注:本文由纯净天空筛选整理自rupesh_rao大神的英文原创作品 ConcurrentSkipListSet descendingIterator() method in Java。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。