Introduction BitSet is a class in Java that represents a fixed-size sequence of bits. It provides a convenient way to manipulate and store bits. Each bit in a BitSet can have two values: 0 or 1. BitSet is an efficient data structure for handling large sets of flags or binary values. I...
import java.util.BitSet; public class BitSetDemo { public static void main(String args[]) { BitSet bits1 = new BitSet(16); BitSet bits2 = new BitSet(16); // set some bits for(int i=0; i<16; i++) { if((i%2) == 0) bits1.set(i); if((i%5) != 0) bits2.set(i);...
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//: Bits.java// Demonstration of BitSetimport java.util.*;public class Bits {public static void main(String[] args) {Random rand = new Random();// Take the LSB of nextInt():byte bt = (byte)rand.nextInt();BitSet bb = new BitSet();for(int i = 7; i >=0; i--)if(((1 <<...
[Android.Runtime.Register("java/util/BitSet", DoNotGenerateAcw=true)]publicclassBitSet:Java.Lang.Object,IDisposable,Java.Interop.IJavaPeerable,Java.IO.ISerializable,Java.Lang.ICloneable Inheritance Object Object BitSet Remarks This class implements a vector of bits that grows as needed. Each compon...
Java.util.BitSet类中的方法及实例 Methods discussed in this post: BitSet class methods. / / | | \ \ set() xor() clone() clear() le
1 Java位集合 前几天刚学习了Redis中位操作命令,今天顺便学下java中位集合 1.1 Bit-Map 1.1.1 简介 Bit-map的基本思想就是用一个bit位来标记某个元素对应的Value,而Key即是该元素。由于采用了Bit为单位来存储数据,因此在存储空间方面,可以大大节省。(即:节省存储空间) ...
importjava.util.BitSet;importjava.util.Random;publicclassClient2{//一亿privatestaticfinalintHUNDRED_MILLION=100_000_000;//一千万privatestaticfinalintTEN_MILLION=10_000_000;publicstaticvoidmain(String[] args){Randomrandom=newRandom();BitSetbitSet=newBitSet(HUNDRED_MILLION);for(inti=0; i < TEN_MILL...
Java 参数:该方法不接受任何参数。 返回值:该方法返回由给定BitSet元素的字符串表示组成的集合。 下面的程序说明了java.util.BitSet.toString()方法的工作: 程序1: // Java code to illustrate toString()importjava.util.*;publicclassBitSet_Demo{publicstaticvoidmain(Stringargs[]){// Creating an empty BitSet...
At times you may need to work with bitmaps that reside on disk (instances of ImmutableRoaringBitmap) and bitmaps that reside in Java memory. If you know that the bitmaps will reside in Java memory, it is best to use MutableRoaringBitmap instances, not only can they be modified, but they...