Java tutorial
import java.util.BitSet; public class Main { public static void main(String[] args) { BitSet bitset1 = new BitSet(8); // assign values to bitset1 bitset1.set(0); bitset1.set(1); bitset1.set(2); // print the sets System.out.println("Bitset1:" + bitset1.previousSetBit(1)); } }