统计英语文章中单词

import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Paths;
import java.util.Scanner;

public class Scend10_11 {

    public static void main(String[] args) throws IOException {
        FindWord [] word;
        word=new FindWord [100];
        word[0]=new FindWord();
        word[0].input(word);
        word[0].show(word);
        word[0].outfile(word);
    }
    
}
class FindWord{
    private String word;               //单词
    private int num;                   //单词次数
    FindWord(){
        word=null;
        num=1;
    }
    
    public String getWord() {
        return word;
    }
    public void setWord(String word) {
        this.word = word;
    }
    public int getNum() {
        return num;
    }
    public void setNum(int num) {
        this.num = num;
    }
    void addnum() {
        num++;
    }
    void outfile(FindWord word[])throws IOException{                               //将结果输出到文件中
        PrintWriter out =new PrintWriter ("WordTimes.txt");
        int i=0;
        for(i=1;i<100;i++) {
            if(word[i]!=null) {
                out.println(word[i].getWord()+"\t"+word[i].getNum());
            }
        }
        out.flush();
        out.close();
    }
    void input(FindWord word[]) throws IOException{                                //将文件录入并进行标点符号舍去
        Scanner in = new Scanner(Paths.get("word.txt"));
        String k;
        while(in.hasNextLine()) {
            String s=in.next();
            compare(s,word);                                                 //标点符号的舍去以及对单词额比较和录入方法的电泳
            
        }
    }
    private void compare(String str1,FindWord word[]) {
        int j=0;
        boolean f=false;
        char s1[]=str1.toCharArray();
        for(int i=0;i<str1.length();i++) {
            if((s1[i]>=65&&s1[i]<=90)||(s1[i]>=97&&s1[i]<=122));
            else {j=i;f=true;}
        }
        if(f==true) {
            if(j==str1.length()-1)change(str1.substring(0,j),word);
            else{change(str1.substring(0, j),word);
            change(str1.substring(j+1, str1.length()),word);
            }
        }
        else change(str1,word);                                                  //调用change
    }

    private void change(String s, FindWord word[]) {                               //比较单词相同以及储存
        int j;
        boolean bo=false;
        for(j=0;word[j]!=null;j++) {
            if(word[j].getWord()!=null&&s.compareTo(word[j].getWord())==0) {
                word[j].addnum();
                bo=true;
                break;
            }
            bo=false;
        }
        if(bo==false) {
            word[j]=new FindWord();
            word[j].setWord(s);
            word[j].setNum(1);
        }        
    }
    public void show(FindWord[] word2) {                                             //输出结果
        int i=0;
        for(i=1;i<100;i++) {
            if(word2[i]!=null) {
                System.out.println(word2[i].getWord()+"\t"+word2[i].getNum());
            }
        }
        
    }
}