二项分布 需求:5个四面体筛子,筛子三面绿色,一面红色,模拟1000000次,统计每次试验红色落地筛子个数的分布 实现:用循环实现5个筛子和1000000次试验,定义函数numRedDown模拟5个筛子试验结果,redDown模拟单次试验结果 Simulation.java 1 import java.util.Random; 2 3 public class Simulation{ 4 static final Random RANDOM = new Random(); 5 static fi…
统计英文article.txt文件中出现hello这个单词的次数 这个是article.txt文件内容 { hello The Royal Navy is trying hello to play hello down the problem, after first trying to hide it. It is clearly embarrassing. They have hello known about the problem for hello some time but they…