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Java: Data Science Made Easy
book

Java: Data Science Made Easy

by Richard M. Reese, Jennifer L. Reese, Alexey Grigorev
July 2017
Beginner to intermediate
715 pages
17h 3m
English
Packt Publishing
Content preview from Java: Data Science Made Easy

Analysing the results

The analysis performed in this application is fairly simple. Once the tweets have been classified as either positive or negative, a total is computed. We used two static variables for this purpose:

    private static int numberOfPositiveReviews = 0;     private static int numberOfNegativeReviews = 0; 

 

The computeStats method is called from the Java 8 stream and increments the appropriate variable:

public void computeStats() {     if(this.category.equalsIgnoreCase("pos")) {         numberOfPositiveReviews++;     } else {         numberOfNegativeReviews++;     } } 

Two static methods provide access to the number of reviews:

public static int getNumberOfPositiveReviews() {     return numberOfPositiveReviews; } public static int getNumberOfNegativeReviews() ...
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Publisher Resources

ISBN: 9781788475655Supplemental Content