Java Bitset isEmpty方法 Java Bitset 交集intersects Java Bitset长度length Java Bitset isEmpty方法 package com.codingdict; import java.util.*; public class BitSetDemo { public static void main(String[] args) { // create 2 bitsets BitSet bitset1 = new BitSet(8); BitSet bitset2 = new BitSet(8); // assign values to bitset1 bitset1.set(0); bitset1.set(1); bitset1.set(2); bitset1.set(3); bitset1.set(4); bitset1.set(5); // assign values to bitset2 bitset2.set(2); bitset2.set(4); bitset2.set(6); bitset2.set(8); bitset2.set(10); // print the sets System.out.println("Bitset1:" + bitset1); System.out.println("Bitset2:" + bitset2); // check if bitset1 and 2 are empty System.out.println("" + bitset1.isEmpty()); System.out.println("" + bitset2.isEmpty()); // create a new empty bitset BitSet bitset3 = new BitSet(8); // check if bitset3 is empty System.out.println("" + bitset3.isEmpty()); } } Java Bitset 交集intersects Java Bitset长度length