菜鸟涂鸦作品展

it2022-06-23  85

//【程序7】 题目:输入一行字符,分别统计出其中英文字母、空格、数字和其它字符的个数。import java.io.*;

public class _7_tongji { public static void main(String[] args) throws Exception { System.out.println("请输入一行字符"); InputStreamReader isr=new InputStreamReader(System.in); BufferedReader br=new BufferedReader(isr); String zifuchuan=br.readLine(); int zhong,english,kong,number,qita; zhong=0;english=0;kong=0;number=0;qita=0; byte[] tong=zifuchuan.getBytes(); for (int i=0 ; i<tong.length ; i++ ){ if ((tong[i]>=65 && tong[i]<=90)||(tong[i]>=97 && tong[i]<=122)) english++; else if (tong[i]>=48 && tong[i]<=57) number++; else if (tong[i]==32) kong++; else if (tong[i]<0) zhong++; else qita++; } System.out.println("统计出中文字数为:"+zhong/2); System.out.println("统计出英文字母数为:"+english); System.out.println("统计出空格数为:"+kong); System.out.println("统计出数字数为:"+number); System.out.println("统计出其它字符数为:"+qita); }}

 

涂鸦体会:

  熟悉了一下sting类和其getBytes方法,还看了看ASCII表,发现还是有很多基础的东西不会,看来这50个例子还是很有价值的。

昨天没有编,罪过。。。月底前争取编完20个吧。

参考帖子:

http://www.cnblogs.com/springcsc/archive/2009/12/03/1616326.html

http://www.cnblogs.com/Logic0/archive/2010/09/17/1850384.html

转载于:https://www.cnblogs.com/aniuer/archive/2012/08/22/2651507.html


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