package com.pedro.stringcalculator;

import java.util.LinkedList;
import java.util.List;

/**
 * Class created to work as a number extractor. This class will receive a string with some numbers inside and will
 * extract it in a number collection.
 *
 * @author Pedro Vicente Gómez Sánchez.
 */
class NumberExtractor {

    public List<Integer> extract(final String noNumbers) {
        return null;
    }
}

@@ -362,20 +362,165 @@
 ing 
-noNumbers) %7B
+stringToAnalyze) %7B%0A        List%3CInteger%3E numbers = new LinkedList%3CInteger%3E();%0A        if (stringToAnalyze != null && !stringToAnalyze.isEmpty()) %7B%0A%0A        %7D
 %0A   
@@ -533,18 +533,21 @@
 eturn nu
-ll
+mbers
 ;%0A    %7D%0A

First test passing. Implemented empty case functionality. GREEN