Calculating frequency of each word in a sentence in java

Question

I am writing a very basic java program that calculates frequency of each word in a sentence so far i managed to do this much

import java.io.*;

class Linked         


        

Answer 1

Determine the frequency of words in a file.

File f = new File(fileName);
Scanner s = new Scanner(f);
Map counts =
 new Map(); 
while( s.hasNext() ){
 String word = s.next();
if( !counts.containsKey( word ) )
 counts.put( word, 1 );
else
 counts.put( word, 
  counts.get(word) + 1 );

}