Write a program to find maximum repeated words from a file.

package com.javanotes2all.java.files;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Map.Entry;
  
public class WordsCountInFile 
{
 public Map<String, Integer> getWordCount(String fileName){
  FileInputStream fis = null;
  DataInputStream dis = null;
  BufferedReader br = null;
  Map<String, Integer> wordMap = new HashMap<String, Integer>();
  try {
   fis = new FileInputStream(fileName);
   dis = new DataInputStream(fis);
   br = new BufferedReader(new InputStreamReader(dis));
   String line = null;
   while((line = br.readLine()) != null){
   StringTokenizer st = new StringTokenizer(line, " ");
    while(st.hasMoreTokens()){
    String tmp = st.nextToken().toLowerCase();
    if(wordMap.containsKey(tmp)){
     wordMap.put(tmp, wordMap.get(tmp)+1);
    } else {
     wordMap.put(tmp, 1);
    }
    }
    }
  } catch (FileNotFoundException e) {
   e.printStackTrace();
  } catch (IOException e) {
    e.printStackTrace();
  } finally{
   try{if(br != null) br.close();}catch(Exception ex){}
 }
 return wordMap;
}

public List<Entry<String, Integer>> sortByValue(Map<String, Integer> wordMap){

Set<Entry<String, Integer>> set = wordMap.entrySet();
List<Entry<String, Integer>> list = new ArrayList<Entry<String,Integer>>(set);
Collections.sort( list, new Comparator<Map.Entry<String, Integer>>()
 {

public int compare(Map.Entry<String,Integer> o1,Map.Entry<String,Integer> o2 )
  {
   return (o2.getValue()).compareTo( o1.getValue() );
  }

    } );
   return list;
  }

public static void main(String a[]){
   WordsCountInFile mdc = new WordsCountInFile();
   Map<String, Integer> wordMap = mdc.getWordCount("/home/prabhu/test.txt");
   List<Entry<String, Integer>> list = mdc.sortByValue(wordMap);
   for(Map.Entry<String, Integer> entry:list){
  System.out.println(entry.getKey()+" ==== "+entry.getValue());
 }
    }
}

OUTPUT:

java ==== 2
is ==== 1
for ==== 1
javanotes2all ==== 1
the ==== 1
notes ==== 1
blog ==== 1
developers ==== 1
all ==== 1