In java:

What is the answer? Dont answer "Not available"

Sentiment Analysis tries to assess the emotion or mood in a text document. Essentially it can be computed by comparing the set of words in each document to an existing dictionary of positive words, negative words, and neutral words and by analyzing the most frequent positive or negative expressions. This first question is part of a larger follow-up project where you will implement automatic sentiment analysis of online blogs or reviews. Having a set of reviews and an existing dictionary of positive, negative and neutral words (you can make your own lexicon), you should implement the following in java: 1. Implement the function extractWordFeatures, which takes a review (text as a variable lenght string with words separated by spaces) as input and returns a feature vector $(x), a data structure feature Vector of variable length quantifying the presence of the dictionary words within the text. Implement the function by implementing feature Vector using an array and a linked list implementation