All Repeated Words In Text File And Their Occurrences In Java

Find All Repeated Words In Text File And Their Occurrences In Java

Place your file location in the argument of the FileReader.

If the input text file contain :

Details

Name = Amit 

Address = Bangalore

Name = Anuj

Address = Bangalore

The output will be look like

 The string --> Details <-- repeated 1

The string --> Address <-- repeated 2

The string --> Amit <-- repeated 1

The string --> = <-- repeated 4

The string --> Anuj <-- repeated 1

The string --> Name <-- repeated 2

The string --> Bangalore <-- repeated 2

import java.io.BufferedReader;

import java.util.HashMap;

import java.io.FileReader;

import java.io.IOException;

import java.util.Set;

public class RepeatedWordInFile {

    public static void main(String[] args)

    {

        BufferedReader br=null;

        try

        {

         br = new BufferedReader(new FileReader("G:\\my.txt"));

            HashMap<String,Integer> myhashmap = new HashMap<String,Integer>();

            String str;

            while((str=br.readLine())!=null)

            {               

            String[] splitstring=str.split(" ");

            for(String allstr:splitstring)

            {

                if(!myhashmap.containsKey(allstr))

                {

                    myhashmap.put(allstr,1);

                }

                else

                {

                     myhashmap.put(allstr,myhashmap.get(allstr)+1);

                }

            }

            }

            

            Set<String> myset=myhashmap.keySet();

            for(String strng:myset)

            {

 System.out.println("The string -->"+" "+strng+" "+"<-- repeated"+" "+myhashmap.get(strng));

            }

        }

        catch(IOException e)

       {

                e.printStackTrace();    

       }

      finally

      {

          try

          {

           br.close();   

          }

          catch(IOException e)

          {

              e.printStackTrace();

          }

                         

      }

               

    }

    

}