Bit Set Operations : BitSet « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. BitSet

public void set(int position)
public void clear(int position)
public boolean get(int position)

import java.util.BitSet;

public class MainClass {
  public static void main(String args[]) {
    BitSet bites = new BitSet();
    bites.set(0);
    bites.set(1);
    bites.set(2);
    bites.set(3);
    System.out.println(bites);
  }
}

{0, 1, 2, 3}