Java tutorial
import java.nio.LongBuffer; import java.util.BitSet; public class Main { public static void main(String[] args) { LongBuffer byteBuffer = LongBuffer.wrap(new long[] { 1L, 2L, 3L }); BitSet bitset1 = BitSet.valueOf(byteBuffer); // print the sets System.out.println("Bitset1:" + bitset1); } }