public static void main(String[] args) { Histogram<String> histograma = new Histogram<>(); histograma.incrementa("gmail.com"); histograma.incrementa("gmail.com"); histograma.incrementa("gmail.com"); histograma.incrementa("ulpgc.es"); histograma.incrementa("ulpgc.es"); histograma.incrementa("ulpgc.es"); histograma.incrementa("ulpgc.es"); histograma.incrementa("hotmail.com"); histograma.incrementa("hotmail.com"); histograma.incrementa("hotmail.com"); histograma.incrementa("hotmail.com"); HistogramDisplay histogramDisplay = new HistogramDisplay(histograma); histogramDisplay.execute(); }