private void toMilesButtonActionPerformed(
java.awt.event.ActionEvent evt) { // GEN-FIRST:event_toMilesButtonActionPerformed
DistanceCalculator dcMiles = new DistanceCalculator();
try {
kilometers = Double.parseDouble(this.userInputField.getText());
dcMiles.setKilometers(kilometers);
} catch (Exception e) {
JOptionPane.showMessageDialog(
null, "Input was not a number.", "Error", JOptionPane.ERROR_MESSAGE);
return;
}
// If input is valid, returns a valid number of miles, if input isn't valid, returns 0
this.answerLabel.setText("The converted distance is: " + dcMiles.toMiles());
} // GEN-LAST:event_toMilesButtonActionPerformed
