java.util.concurrent.ConcurrentSkipListSet的clone()方法是Java中的内置函数,该函数返回此ConcurrentSkipListSet实例的浅拷贝。
用法:
ConcurrentSkipListSet.clone()
参数:该函数不接受任何参数。
返回值:该函数返回ConcurrentSkipListSet的浅拷贝。
以下示例程序旨在说明ConcurrentSkipListSet.clone()方法:
示例1:
// Java Program Demonstrate clone()
// method of ConcurrentSkipListSet
import java.util.concurrent.*;
class ConcurrentSkipListSetCloneExample1 {
public static void main(String[] args)
{
// Initializing the set
ConcurrentSkipListSet<Integer>
set = new ConcurrentSkipListSet<Integer>();
// Adding elements to this set
for (int i = 10; i <= 15; i++)
set.add(i);
// Printing elements of the set
System.out.println("The set contains: " + set);
// Cloning the ConcurrentSkipListSet
ConcurrentSkipListSet<Integer> clone_set = set.clone();
// Adding elements to the clone set
clone_set.add(16);
// Printing elements of the clone set
System.out.println("The clone set contains: " + clone_set);
}
}
输出:
The set contains: [10, 11, 12, 13, 14, 15] The clone set contains: [10, 11, 12, 13, 14, 15, 16]
示例2:
// Java Program Demonstrate clone()
// method of ConcurrentSkipListSet */
import java.util.concurrent.*;
class ConcurrentSkipListSetCloneExample2 {
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");
// Printing elements of the set
System.out.println("The set contains: " + set);
// Cloning the ConcurrentSkipListSet
ConcurrentSkipListSet<String> clone_set = set.clone();
// Adding elements to the clone set
clone_set.add("site");
// Printing elements of the clone set
System.out.println("The clone set contains: " + clone_set);
}
}
输出:
The set contains: [Gfg, fun, is] The clone set contains: [Gfg, fun, is, site]
参考: https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ConcurrentSkipListSet.html#clone()
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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 clone() 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。