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  • 大小: 20KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發布日期: 2021-05-29
  • 語言: Java
  • 標簽: java??

資源簡介

文學研究人員需要統計某篇英文小說中某些形容詞的出現次數和位置。試寫一個實現這一目標的文字統計系統? （1)英文小說存于一個文本文件中。待統計的詞匯集合要一次輸入完畢，即統計工作必須在程序的一次運行之后就全部完成。程序的輸出結果是每個詞的出現次數和出現位置所在的行的行號，格式自行設計。待統計的“單詞”在文本串中不跨行出現，它或者從行首開始，或者前置以一個空格符。 （2）模式匹配要基于KMP算法 （3）Java實現

資源截圖

代碼片段和文件信息 

/*
?*?To?change?this?license?header?choose?License?Headers?in?Project?Properties.
?*?To?change?this?template?file?choose?Tools?|?Templates
?*?and?open?the?template?in?the?editor.
?*/
/*
?*?To?change?this?license?header?choose?License?Headers?in?Project?Properties.
?*?To?change?this?template?file?choose?Tools?|?Templates
?*?and?open?the?template?in?the?editor.
?*/
import?java.io.*;
import?java.util.*;
/**
?*
?*?@author?宋佳明
?*/
public?class?wenzitongji?{
????public?static?void?main（String?arg[]）{
???????try{
????????wenzitongji?n?=new?wenzitongji（）;
????????n.ShowMenu（）;
????????BufferedReader?br=new?BufferedReader（new?InputStreamReader（System.in））;
????????String?m?=?br.readLine（）;
????????int?a?=?Integer.parseInt（m）;
????????n.traversal（a）;
????}catch（Exception?e）{
???????}
????}
????public??String?Fileread（）{
????????File?n?=?new?File（“E:\\小明.txt“）;
?????try{
????????Reader?in=new?FileReader（n）;
????????StringBuffer?a?=?new?StringBuffer（）;
????????BufferedReader?bf=?new?BufferedReader（in）;
????????String?s?=?null;
????????while（（s?=?bf.readLine（））!=null）{
????????????a.append（s.trim（））;
????????}
????????String??b=?a.toString（）;
????????char[]?d;?
????????d=b.toCharArray（）;
????????return?b;
????}catch（Exception?e）{
????????System.out.println（“error“+e）;
????????return?null;
????}
????}????
????private?int[]?getNext（String?m）?{
????????int?n=m.length（）;
????????int[]?next?=?new?int[n];
????????next[0]?=?-1;
????????char[]?a?=?m.toCharArray（）;
????????int?i?=?0?j?=?-1;
????????while?（i?????????????if?（?（j?==?-1）?||?（a[i]?==?a[j]）?）?{
????????????????i++;
????????????????j++;
????????????????next[i]?=?j;
????????????}?else?{
????????????????j?=?next[j];
????????????}
????????}
????????return?next;
????}
????public??int?IndexKMP（String?s?String?m?int?next[]）{
????int?i?j;
????i=0;j=0;
????char[]a=s.toCharArray（）;
????char[]b=m.toCharArray（）;
????int?count?=?0;?
????int??c=0;
????int?l?=?a.length?n?=?b.length;
????while?（i????{
????????if?（j?==?-1?||?a[i]?==?b[j]）
????????{
????????????i++;?j++;
????????}??????????????
????????else?j?=?next[j];
????????if?（j?>=?n）
????????{
????????????count++;
????????????c=（i-j+1）/84+1;
????????????System.out.println（?“單詞“+m+“第“+count+“次出現在“?+c?+?“行，第“?+（i?-?j?+?1）?+“個字符開始“?）;
????????????j?=?0;??
????????}
????}
????System.out.println（）;
????????return?count;
????}
????public?void?ShowMenu（）?{

????System.out.println（?“********************************************“?）;
????System.out.println（?“******????????文學統計系統???????******“?）;
????System.out.println（?“******???????0.安全退出系統??????????******“?）;
????System.out.println（?“******???????1.文件讀入小說??????????******“?）;
????System.out.println（?“******???????2.讀入小說文本??????????******“?）;
????System.out.println（?“******???????3.查詢小說關鍵字????????******“?）;
????System.out.print（??“請選擇：“）;
}
????private?void?traversal（int?i）?{
????????String?d;?
???

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-06-30?20:29??文字統計系統\
?????目錄???????????0??2019-06-30?20:45??文字統計系統\build\
?????文件????????3639??2019-06-12?11:10??文字統計系統\build.xml
?????目錄???????????0??2019-07-02?10:05??文字統計系統\build\classes\
?????文件???????????0??2019-06-30?20:29??文字統計系統\build\classes\.netbeans_automatic_build
?????文件???????????0??2019-06-30?20:29??文字統計系統\build\classes\.netbeans_update_resources
?????目錄???????????0??2019-07-01?04:34??文字統計系統\build\classes\chap5\
?????文件????????4306??2019-07-02?10:05??文字統計系統\build\classes\wenzitongji.class
?????文件?????????543??2019-06-30?20:43??文字統計系統\build\宋佳明.txt
?????文件??????????85??2019-06-12?11:10??文字統計系統\manifest.mf
?????目錄???????????0??2019-06-12?11:10??文字統計系統\nbproject\
?????文件???????79925??2019-06-12?11:10??文字統計系統\nbproject\build-impl.xml
?????文件?????????475??2019-06-12?11:10??文字統計系統\nbproject\genfiles.properties
?????目錄???????????0??2019-06-12?23:52??文字統計系統\nbproject\private\
?????文件?????????113??2019-06-12?11:10??文字統計系統\nbproject\private\private.properties
?????文件?????????435??2019-07-02?11:13??文字統計系統\nbproject\private\private.xml
?????文件????????2468??2019-06-30?20:30??文字統計系統\nbproject\project.properties
?????文件?????????526??2019-06-12?11:10??文字統計系統\nbproject\project.xml
?????目錄???????????0??2019-07-01?04:44??文字統計系統\src\
?????文件????????4018??2019-07-02?10:05??文字統計系統\src\wenzitongji.java
?????目錄???????????0??2019-06-12?11:11??文字統計系統\test\

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