import java.io.*; import java.util.*; public class Test { public static void main(String args[]) throws IOException { BitSet bs; BitSet bs1 = new BitSet(); BitSet bs2 = new BitSet(); // bs1 = 11111111000 bs1.set(0, 7, true); bs1.set(7, 10, false); System.out.println(bs1 + " size = " + bs1.size() + " length = " + bs1.length()); // bs2 = 00011111111 bs2.set(0, 3, false); bs2.set(3, 10, true); System.out.println(bs2 + " size = " + bs2.size() + " length = " + bs2.length()); // or, and ,xor bs = (BitSet)bs1.clone(); bs.or(bs2); System.out.println("or " + bs + " size = " + bs.size() + " length = " + bs.length()); bs = (BitSet)bs1.clone(); bs.and(bs2); System.out.println("and " + bs + " size = " + bs.size() + " length = " + bs.length()); bs = (BitSet)bs1.clone(); bs.xor(bs2); System.out.println("xor " + bs + " size = " + bs.size() + " length = " + bs.length()); } }
{0, 1, 2, 3, 4, 5, 6} size = 64 length = 7 {3, 4, 5, 6, 7, 8, 9} size = 64 length = 10 or {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} size = 64 length = 10 and {3, 4, 5, 6} size = 64 length = 7 xor {0, 1, 2, 7, 8, 9} size = 64 length = 10