Java Bitset清除clear Java Bitset基数cardinality Java Bitset clear for index Java Bitset清除clear 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); // clear bitset1 bitset1.clear(); // clear bitset2 bitset2.clear(); // print new bitsets System.out.println("" + bitset1); System.out.println("" + bitset2); } } Java Bitset基数cardinality Java Bitset clear for index