Statistics the most frequently occurring words in English text files

Source: Internet
Author: User

Source:

Package statistics English text file Most occurrences of the word;
Import Java.io.BufferedReader;
Import Java.io.File;
Import Java.io.FileReader;
Import java.io.IOException;
Import Java.util.Map;
Import Java.util.Scanner;
Import Java.util.TreeMap;
Class zimu{
String name;
int num;
Zimu () {
Name=null;
Num=-1;
}
}
public class Tongji {
public static void Main (string[] args) throws IOException {
File File = new file ("Yingyuwenzhang.txt");//define a file object to initialize the FileReader
FileReader reader = new FileReader (file);//defines a FileReader object that is used to initialize BufferedReader
BufferedReader breader = new BufferedReader (reader),//new a BufferedReader object, reads the contents of the file into the cache
StringBuilder sb = new StringBuilder ();//define a string cache and store the string in the cache
String s = "";
while ((S =breader.readline ()) = null) {//Line reads the contents of the file, does not read the line break and the trailing space
Sb.append (s);//Adds a newline character to the read string and stores it in the cache.
}
Breader.close ();
String str = sb.tostring ();
Findenglishnum (str);
}
public static void Findenglishnum (String text) {
Scanner scan=new Scanner (system.in);
int i=0;
String[] Array = {".", ",", "?", "!"};
for (int i1 = 0; i1 < array.length; i1++) {
Text = Text.replace (Array[i1], "");
}
string[] Textarray = Text.split ("");
for (int i=0;i<textarray.length;i++)
// {
System.out.println (Textarray[i]);
// }
map<string, integer> map = new treemap<string, integer> ();
for (int i1 = 0; i1 < textarray.length; i1++) {
String key = Textarray[i1];
Convert to lowercase
String key_l = Key.tolowercase ();
if (! "". Equals (key_l)) {
Integer num = map.get (key_l);
if (num = = NULL | | num = = 0) {
Map.put (key_l, 1);
}else if (num > 0) {
Map.put (key_l, num+1);
}
}
}
For (String E:map.keyset ()) {
System.out.println ("Word:" +e+ "number of times:" +map.get (e));
i++;
}
Zimu [] z=new zimu[i];
for (int m=0;m<=i-1;m++) {
Z[m]=new Zimu ();
}
int j=0;
For (String E:map.keyset ()) {
if (z[j]!=null) {
z[j].name=e;
Z[j].num=map.get (e);
}
j + +;
}
for (int p=0;p<=i-1;p++) {
System.out.println ("Word:" +z[p].name+ "number of times:" +z[p].num);
}
Zimu t=new Zimu ();
for (int m=0;m<=i-1;m++)
{
for (int n=m;n<=i-1;n++) {
if (z[m]!=null&& (Z[m].num<z[n].num)) {
T=Z[M];
Z[m]=z[n];
z[n]=t;
}
}
}
System.out.println ("Please enter the words that you want to output several times before:");
int B=scan.nextint ();
for (int m=0;m<=b-1;m++) {
if (z[m]!=null) {
System.out.println ("Word:" +z[m].name+ "number of times:" +z[m].num);
}
}
}
}

Experiment Summary:

To be added.

Statistics the most frequently occurring words in English text files

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.