package controller; import view.MainFrame; import model.Model; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; public class Controller { MainFrame mainFrame = new MainFrame(); Model model = new Model(); public Controller() { mainFrame.addCalcButtonActionListener(new ActionListener(){ public void actionPerformed(ActionEvent event) { String baseStr = mainFrame.baseField.getText(); double base = Double.parseDouble(baseStr); String heightStr = mainFrame.heightField.getText(); double height = Double.parseDouble(heightStr); Double result = model.calcArea(base, height); mainFrame.resultField.setText(result.toString()); mainFrame.resultField.setVisible(true); mainFrame.resultLabel.setVisible(true); mainFrame.pack(); } }); } }