sdut java 单词和字符鉴别器

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner cin = new Scanner(System.in);
		String str[]=new String[100000];
		int pos=0;
		while(true) {
			String s=cin.nextLine();
			s=s.toUpperCase();
			if(s.compareTo("0000")==0)break;
			String ss[]=s.split("\\W+");
			for(int i=0;i<ss.length;i++){
			  str[++pos]=ss[i];
		}}
		HashMap<String,Integer> map=new HashMap<String,Integer>();
		for(int i=1;i<=pos;i++) {
			if(map.containsKey(str[i]))map.put(str[i], map.get(str[i])+1);
			else map.put(str[i], 1);
		}
		ArrayList<String> list=new ArrayList(map.keySet());
		String s="";
		String ss="zzzzzzzzzzzzzzzzzzzzz";
		int min=999999999;
		int max=-1;
		for(int i=0;i<list.size();i++) {
		  if(max<map.get(list.get(i))) {
			  s=list.get(i);
			  max=map.get(list.get(i));
		  }
		  else if(max==map.get(list.get(i))) {
			  if(s.compareTo(list.get(i))<0) {
				  s=list.get(i);
				  max=map.get(list.get(i));
			  }
		  }
		  if(min>map.get(list.get(i))) {
			  ss=list.get(i);
			  min=map.get(list.get(i));
		  }
		  else if(min==map.get(list.get(i))) {
			  if(ss.compareTo(list.get(i))>0) {
				  ss=list.get(i);
				  min=map.get(list.get(i));
			  }
		  }
		}
		if(max!=-1)
		System.out.printf("%-10s%8d\n",s, max);
		if(min!=999999999)
		System.out.printf("%-10s%8d\n",ss,min);
		int arr[]=new int [100];
		for(int i=1;i<=pos;i++) {
			for(int j=0;j<str[i].length();j++){
				arr[str[i].charAt(j)-'A']++;
			}
		}
		for(int i=0;i<26;i++) {
			System.out.printf("%-10c%8d\n",i+'A',arr[i]);
		}
	}
}

本文地址：https://blog.csdn.net/Are_you_ready/article/details/109642150