BitSet in Java
``` import java.util.*; 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.*; 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)); } } ```