Would this work instead?

Question

we changed up the methods for getting hash tags and at signs(I don't use twitter I forgot the name that's given to using them) to have a private method that we then pass into two separate methods to "clean up" the code. I was just wondering if the way I wrote the code would also work for our purpose, I used two for loops instead, please give me any thoughts on this thanks.

public List<String> getPrefixes() {
  List<String> results = ArrayList<String>();
    for (String word : getWords()) {
      if (word.startsWith("#")) {
        results.add(word);
      }
    }
     for (String word : getWords()) {
      if (word.startsWith("'@")) {
        results.add(word);
      }
    }
  return results;
  }

My only thought would be that the variable 'word' might have to be different in each of the loops. or since they are two separate loops can they both have the same variable name?

Answer 1 · 2016-01-07T10:36:51Z

January 7, 2016 10:36am

Hi Dylan,

You can use the word variable twice as each only has scope within the for loop. As soon as that loop exists, word has no further context. That is the reason you have to redeclare it as a String in the second loop.

As for the code, could you not chain an or condition into your if statement to test if the word starts with "@" or "#". That way, we're only looping through the sentence once. Something like:

if (word.startsWith("#") || word.startsWith("@")) { ...

Steve.

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Dylan Carter

Dylan Carter

Would this work instead?

1 Answer

Steve Hunter

Steve Hunter