Subject Computer Science Java Programming


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package parser;

import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.*;
//CYK Recogniser
//It reads input file with grmmar and lexicon
//and checks whether a sentence is grammatical or not

public class CYK {
private HashMap<String, HashSet<LinkedList<String>>> rules;
private String DELIMITER = " -> ";
private String TOKEN_DELIMITER = " ";
private String START = "S";

private boolean IsEntirelyUpperCase(String s) {
      for (int i = 0; i < s.length(); i++)
          if (!Character.isUpperCase(s.charAt(i)))
             return false;
      return true;

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