Job 4 Word Frequency Statistics 2

• [ must do 2] read small text file a_tale_of_two_cities.txt or large text file gone_with_the_ Wind.txt, statistics the frequency at which a specified word appears in the text file.
• command-line format: prompt > Myapp.exe-f filename.txt-w Word (ps:c++ program, Java program output similar)
• Explain:
  • Option-F means opening a file (filename.txt)
  • The-w option indicates how often the word is followed in the Open file (filename.txt).

 Packagefrequency statistics;ImportJava.io.BufferedReader;ImportJava.io.File;Importjava.io.FileNotFoundException;ImportJava.io.FileReader;Importjava.io.IOException;ImportJava.util.Scanner; Public classWord2 { Public Staticstring Fun (String a) {if(A.contains (",") | | A.contains ("."))//The word contains punctuation. {a=a.substring (0,a.length ()-1);//remove the punctuation.                 returnA; }            Else                returnA; }           Public Static voidMain (string []s1) {string S; Charm = 0, N; String []data=NewSTRING[1000];//Deposit WordsString []value=NewSTRING[1000];//words, not repeating.         int[]count=New int[1000];//The corresponding number.         intSum=0, J;  for(i=0;i<1000;i++)//number of initialization. {Count[i]=1; } System.out.println ("Import file input 1, query word input 2"); Scanner M1=NewScanner (system.in); String m2=M1.nextline (); Switch(m2) { Case1:system.out.println ("Please enter the file path and filename you want to query:"); Scanner SC=NewScanner (system.in); String Files=Sc.nextline ();                Sc.close (); File File=NewFile (files); Try{FileReader FileReader=NewFileReader ("n"); BufferedReader BR=NewBufferedReader (FileReader); S=br.readline ();//read the first line                         while(s!=NULL) {String []ss=s.split ("");//Remove the word                             for(i=0;i<ss.length;i++) {Ss[i]=fun (Ss[i]);//remove the punctuation.                                  for(j=0;j<sum;j++)                                {                                    if(Ss[i].equals (Value[j])) {Count[j]++;  Break; }                                }                                if(j==sum) {Value[sum++]=Ss[i]; }} s=br.readline ();//read the next line of the file}} System.out.println ("Import is complete. ");  Case2:system.out.println ("Please enter a word to query:"); Scanner N1=NewScanner (system.in); String N2=N1.nextline ();  for(inti=1;i<count.length;i++)                 {                    if(N2.equals (Value[i])) System.out.println ("The number of occurrences of the term in this document is:" +count[i]+ "); }        }                      }                    }

The code, based on the last job modification, adds a switch statement to make the selection so that the effect is not just the direct-F and-W, but the choice.

Job 4 Word Frequency Statistics 2