C语言每日练习之统计文本单词数及高频词

作业1:统计出txt文本里面的单词数,并找出频率出现最高的单词是哪个?

运行结果:

上代码:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
  class Program
  {
      static void Main(string[] args)
      {
          //文件打开
          //string file = System.IO.File.ReadAllLines(@"");
          int count = 0;
          string tmp = "";
          //初始化次数
          string words = "hihi hello,hihi,hello,hihi?";
          var new_i = words.Split(new char[] { ' ', ',', '.', '?' },StringSplitOptions.RemoveEmptyEntries);
          Console.Write("总的单词数量:{0}\n", new_i.Length);
          for (int i = 0; i < new_i.Length; i++)
          {
              //查询每个单词出现的次数
              var query = from key in new_i where key.ToUpperInvariant() == new_i[i].ToUpperInvariant() select key;
              int key_count = query.Count();
              if (key_count > count) {

                  count = key_count;
                  tmp = new_i[i];
              }
             
          }

          Console.Write("频率出现最高的单词是:{0}\n", tmp);
          Console.Write("次数为:{0}\n", count);
          
          Console.ReadKey();
          
      }
  }
}

基础代码运行成功!通过外部打开!

创建11.txt

通过外部打开:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
  class Program
  {
      static void Main(string[] args)
      {
          //文件打开
          //string[] file_A = System.IO.File.ReadAllLines(@"C:\Users\Administrator\Desktop\11.txt");
          string file_A = System.IO.File.ReadAllText(@"C:\Users\Administrator\Desktop\11.txt");
          //Console.Write(file_A);
          int count = 0;
          string tmp = "";
          //初始化次数
          
          var new_i = file_A.Split(new char[] { ' ', ',', '.', '?' }, StringSplitOptions.RemoveEmptyEntries);
          Console.Write("总的单词数量:{0}\n", new_i.Length);
          for (int i = 0; i < new_i.Length; i++)
          {
              //查询每个单词出现的次数
              var query = from key in new_i where key.ToUpperInvariant() == new_i[i].ToUpperInvariant() select key;
              int key_count = query.Count();
              if (key_count > count) {

                  count = key_count;
                  tmp = new_i[i];
              }
             
          }

          Console.Write("频率出现最高的单词是:{0}\n", tmp);
          Console.Write("次数为:{0}\n", count);
          
          Console.ReadKey();
          
      }
  }
}

运行截图:

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提问:假设只有一个构造方法,如果将之私有化会有什么后果对于当前类,它是无法实例化的对于它的子类,子类也是无法实例化的构造函数与是否能够实例化有关 对于单个类正常情况下#include < ...