bit array in Java
``` import java.util.BitSet; public class Main { private BitSet bits; public static void main (String ... arg) { BitSet bs = new BitSet (); bs.set(1); System.out.println(bs.get(1)); } } ```
``` import java.util.BitSet; public class Main { private BitSet bits; public static void main (String ... arg) { BitSet bs = new BitSet (); bs.set(1); System.out.println(bs.get(1)); } } ```