import java.util.BitSet;
public class Main {
public static void main(String[] argv) throws Exception {
// Create the bitset
BitSet bits = new BitSet();
// Set a bit on
bits.set(2);
// Retrieving the value of a bit
boolean b = bits.get(0);
b = bits.get(2);
// Clear a bit
bits.clear(1);
// Setting a range of bits
BitSet bits2 = new BitSet();
bits2.set(1, 4);
// And'ing two bitsets
bits.and(bits2);
// Xor'ing two bitsets
bits.xor(bits2);
// Flip all bits in the bitset
bits.flip(0, bits.length());
// Andnot'ing two bitsets
bits.andNot(bits2);
// Or'ing two bitsets
bits.or(bits2);
}
}