TreeSet clone() Method in Java
Last Updated :
26 Nov, 2018
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The Java.util.TreeSet.clone() method is used to return a shallow copy of the mentioned tree set. It just creates a copy of the set.
Syntax:
Java
Tree_Set.clone()Parameters: The method does not take any parameters. Return Value: The function just returns a copy of the TreeSet. Below program illustrates the use of Java.util.TreeSet.clone() method:
// Java code to illustrate addAll()
import java.io.*;
import java.util.TreeSet;
public class TreeSetDemo {
public static void main(String args[])
{
// Creating an empty TreeSet
TreeSet<String> tree = new TreeSet<String>();
// Use add() method to add elements into the Set
tree.add("Welcome");
tree.add("To");
tree.add("Geeks");
tree.add("4");
tree.add("Geeks");
tree.add("TreeSet");
// Displaying the TreeSet
System.out.println("TreeSet: " + tree);
// Creating a new cloned set
TreeSet cloned_set = new TreeSet();
// Cloning the set using clone() method
cloned_set = (TreeSet)tree.clone();
// Displaying the cloned_set
System.out.println("The cloned TreeSet: " + cloned_set);
}
}
Output:
TreeSet: [4, Geeks, To, TreeSet, Welcome] The cloned TreeSet: [4, Geeks, To, TreeSet, Welcome]
