package class20190923;import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.io.IOException;import java.util.*;import java.util.StringTokenizer;public class Classtext2 {    private static String str1;    private static String[] str3 = new String[20000];    private static int[] n=new int[20000];        public static void main(String[] args) throws IOException {                Scanner sc=new Scanner(System.in);        File file = new File("src/飘英文版.txt");        String tempstr=null;        BufferedReader reader = null;        reader = new BufferedReader(new FileReader(file));        int i=0,sum=0,j=0;        while((tempstr=reader.readLine())!=null) {        StringTokenizer st = new StringTokenizer(tempstr," .,?”“;:''　　　!—‘");        while(st.hasMoreElements()) {        str1=(String)st.nextElement();        str1=str1.toLowerCase();        for(i=0;i<=sum;i++)        {            if(str1.equals(str3[i])) {                n[i]++;                break;}        }        if(i>sum) {            str3[sum]=str1;            n[sum]=1;            sum++;            }                }                    }                for( i=0;i
     
      n[i]) {                    int temp=n[i];                    n[i]=n[j];                    n[j]=temp;                    String Temp=str3[i];                    str3[i]=str3[j];                    str3[j]=Temp;                }            }        }        System.out.print("你要前几个最多的单词:");         int choose = sc.nextInt();         for(i=0;i
     

结果：

你要前几个最多的单词:5

the

and

to

of

her