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…igure out I was itteration on i in my second loop instead of j. Also fixed the issue with tempVals not clearing after a key was finished.
…hy we are using a List to pass in context rather than a word.
auberonedu
reviewed
Feb 18, 2025
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| //I started searching the matches method on w3Schools and came across the lastIndexOf() Method | ||
| //https://www.w3schools.com/java/ref_string_lastindexof.asp | ||
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| if(token.lastIndexOf(".") == token.length()-1){ |
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Nice, this works! You could also consider using endsWith
| public List<String> tokenize(Scanner scanner) { | ||
| // TODO: Implement this function to convert the scanner's input to a list of words and periods | ||
| return null; | ||
| ArrayList<String> tokens = new ArrayList<>(); |
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Remember to use interface types where appropriate (List)
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| @Test | ||
| void testTokenizeWithSpaces(){ | ||
| LowercaseSentenceTokenizer tokenizer = new LowercaseSentenceTokenizer(); | ||
| Scanner scanner = new Scanner("hello hi hi hi hello hello"); | ||
| List<String> tokens = tokenizer.tokenize(scanner); | ||
| assertEquals(List.of("hello", "hi", "hi", "hi", "hello", "hello"), tokens); | ||
| } |
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| for(int i=0; i < trainingWords.size()-1; i++){ | ||
| //create a variable to store map keys and next word. | ||
| String mKey = trainingWords.get(i); | ||
| String nextWord = trainingWords.get(i+1); | ||
| List<String> tempVals = new LinkedList<>(); | ||
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| //update temp with previous values. | ||
| if(neighborMap.containsKey(mKey)){ | ||
| neighborMap.get(mKey).add(nextWord); | ||
| }else{ | ||
| tempVals.add(nextWord); | ||
| neighborMap.put(mKey, tempVals); | ||
| } | ||
| } |
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| public String predictNextWord(List<String> context) { | ||
| List<String> vals = new LinkedList<>(); | ||
| String lastWord = context.get(context.size()-1); | ||
| // random number research: https://www.tutorialspoint.com/java/util/random_nextint_inc_exc.htm | ||
| Random picker = new Random(); | ||
| String choice =""; | ||
| // TODO: Return a predicted word given the words preceding it | ||
| if(neighborMap.containsKey(lastWord)){ | ||
| vals = neighborMap.get(lastWord); | ||
| choice = vals.get(picker.nextInt(vals.size())); | ||
| } | ||
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| // Hint: only the last word in context should be looked at | ||
| return null; | ||
| return choice; |
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