package com.esc.xyz; /** * This class provide basic utility function for word. * * @author xyz * @version 1.0.0 */ import java.util.Set; import java.util.HashSet; import java.util.Map; import java.util.HashMap; public class WordUtil { /** * return the size of array * * @param words * @return int * * */ public int getSize(String[] words) { int size = words.length; return size; } /** * Provides unique word in a string * * @param words * @return Set */ public Set<String> getUniqueWords(String[] words) { Set<String> uniqueWords = new HashSet<String>(); for (String word : words) { uniqueWords.add(word.toLowerCase()); } System.out.println(uniqueWords); return uniqueWords; } /** * Provide the word frequencie of the words given in string * * @param words * @return Map */ public Map<String, Integer> getFreuency(String[] words) { Map<String, Integer> wordsFrequencies = new HashMap<>(); for (String word : words) { Integer index = wordsFrequencies.get(word.toLowerCase()); wordsFrequencies.put(word.toLowerCase(), (index == null) ? 1 : index + 1); } System.out.println(wordsFrequencies); return wordsFrequencies; } public static void main(String[] args) { String[] words = { "Ram", "is", "a", "Ram", "good", "boy", "boy", "girl", "girl","ram","the","at","at","on"}; WordUtil wordFrequency = new WordUtil(); wordFrequency.getUniqueWords(words); wordFrequency.getFreuency(words); } }
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