The clone() Method Java.util.BitSet class is used to create a copy of an existing BitSet. The new BitSet is exactly equal to the existing one and is a mere copy of the previous BitSet.
Syntax:
Bit_Set.clone()
Parameters: The method does not take any parameters.
Return Value: The method just returns another copy of the existing BitSet.
Below programs illustrate the working of BitSet clone() method in Java.
Program 1:
// Java code to illustrate clone()import java.util.*;  public class BitSet_Demo {    public static void main(String args[])    {        // Creating an empty BitSet        BitSet init_bitset = new BitSet();          // Use set() method to add elements into the Set        init_bitset.set(10);        init_bitset.set(20);        init_bitset.set(30);        init_bitset.set(40);        init_bitset.set(50);          // Displaying the BitSet        System.out.println("Initial BitSet: " + init_bitset);          // Creating a new cloned set        BitSet cloned_set = new BitSet();          // Cloning the set using clone() method        cloned_set = (BitSet)init_bitset.clone();          // Displaying the new Set after Cloning        System.out.println("The new BitSet: " + cloned_set);    }} |
Output:
Initial BitSet: {10, 20, 30, 40, 50}
The new BitSet: {10, 20, 30, 40, 50}
Program 2:
// Java code to illustrate clone()import java.util.*;  public class BitSet_Demo {    public static void main(String args[])    {        // Creating an empty BitSet        BitSet init_bitset = new BitSet();          // Use set() method to add elements into the Set        init_bitset.set(40);        init_bitset.set(25);        init_bitset.set(80);        init_bitset.set(95);        init_bitset.set(5);          // Displaying the BitSet        System.out.println("Initial BitSet: " + init_bitset);          // Creating a new cloned set        BitSet cloned_set = new BitSet();          // Cloning the set using clone() method        cloned_set = (BitSet)init_bitset.clone();          // Displaying the new Set after Cloning        System.out.println("The new BitSet: " + cloned_set);    }} |
Output:
Initial BitSet: {5, 25, 40, 80, 95}
The new BitSet: {5, 25, 40, 80, 95}
