java.util.TreeSet.clone() Method

Description

The clone() method is used to return a shallow copy of this TreeSet instance.

Declaration

Following is the declaration for java.util.TreeSet.clone() method.

public Object clone()

Parameters

• NA

Return Value

The method call returns a shallow copy of this set.

Exception

• NA

Example

The following example shows the usage of java.util.TreeSet.clone() method.

package com.tutorialspoint;

import java.util.Iterator;
import java.util.TreeSet;

public class TreeSetDemo {
   public static void main(String[] args) {
     // creating TreeSet 
     TreeSet <Integer>tree = new TreeSet<Integer>();
     TreeSet <Integer>clonetree = new TreeSet<Integer>();
     
     // adding in the tree
     tree.add(12);
     tree.add(13);
     tree.add(14);
     
     // cloning tree into clinetree
     clonetree = (TreeSet)tree.clone();  
 
     // creating iterator
     Iterator iterator;
     iterator = clonetree.iterator();
     
     // displaying the clonetree data
     System.out.println("Tree set data: ");     
     while (iterator.hasNext()){
        System.out.println(iterator.next() + " ");
     }
   }    
}

Let us compile and run the above program, this will produce the following result.

Tree set data: 
12 
13 
14