ConcurrentSkipListSet clone() method in Java
The clone() method of java.util.concurrent.ConcurrentSkipListSet is an in-built function in Java which returns a shallow copy of this ConcurrentSkipListSet instance.
Syntax:
ConcurrentSkipListSet.clone()
Parameters: The function does not accept any parameter.
Return Value: The function returns a shallow copy of ConcurrentSkipListSet.
Below programs illustrate the ConcurrentSkipListSet.clone() method:
Program 1:
import java.util.concurrent.*;
class ConcurrentSkipListSetCloneExample1 {
public static void main(String[] args)
{
ConcurrentSkipListSet<Integer>
set = new ConcurrentSkipListSet<Integer>();
for ( int i = 10 ; i <= 15 ; i++)
set.add(i);
System.out.println( "The set contains: " + set);
ConcurrentSkipListSet<Integer> clone_set = set.clone();
clone_set.add( 16 );
System.out.println( "The clone set contains: " + clone_set);
}
}
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Output:
The set contains: [10, 11, 12, 13, 14, 15]
The clone set contains: [10, 11, 12, 13, 14, 15, 16]
Program 2:
import java.util.concurrent.*;
class ConcurrentSkipListSetCloneExample2 {
public static void main(String[] args)
{
ConcurrentSkipListSet<String>
set = new ConcurrentSkipListSet<String>();
set.add( "Gfg" );
set.add( "is" );
set.add( "fun" );
System.out.println( "The set contains: " + set);
ConcurrentSkipListSet<String> clone_set = set.clone();
clone_set.add( "site" );
System.out.println( "The clone set contains: " + clone_set);
}
}
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Output:
The set contains: [Gfg, fun, is]
The clone set contains: [Gfg, fun, is, site]
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ConcurrentSkipListSet.html#clone()
Last Updated :
17 Sep, 2018
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