BitSet toByteArray() in Java

toByteArray(): This method is available in java.util.BitSet class of Java.

Syntax:

byte[] java.util.BitSet.toByteArray()

This method returns a new byte array containing all the bits in this bit set.

Parameters: NA

Returns: a byte array containing a little-endian representation of all the bits in this bit set.

Exceptions: NA

Approach

Java

import java.util.Arrays;
import java.util.BitSet;

public class BitSettoByteArray {
    public static void main(String[] args) {
        BitSet bitSet = new BitSet(100);

        bitSet.set(1);

        bitSet.set(50);
        bitSet.set(6);
        bitSet.set(10);

       System.out.println(Arrays.toString(bitSet.toByteArray()));
    }
}

Output:

[66, 4, 0, 0, 0, 0, 4]