public void actionPerformed(ActionEvent event) {
Object source = new Object();
source = event.getSource();
String data, histo = "";
if (source == btnRun) {
Histogram gram = new Histogram(txtWord.getText());
data = gram.getData();
histo = gram.getHistogram();
JOptionPane.showMessageDialog(null, data + "\n" + histo);
}
}
