Помогите java срочно!!!

public void getFileInfo(String fileName){
File f = new File(fileName);
System.out.println(f.length());
System.out.println(f.getAbsolutePath());
}

import java.awt.*; import java.util.Objects; import javax.swing.*; public class nabrosok { private static final int a = 1; private static int b = 10; private static int c = a + (int) (Math.random() * b); private static int d = a + (int) (Math.random() * b); private static int result = c + d; private static String e = String.valueOf(c); private static String f = String.valueOf(d); private static String ress = String.valueOf(result); private static boolean bol = true; public static void main (String[] args) { JPanel windowContent= new JPanel(); FlowLayout fl = new FlowLayout(); windowContent.setLayout(fl); JLabel lab = new JLabel(); JButton b1 = new JButton("-"); JButton b2 = new JButton("+"); JButton b3 = new JButton("OK"); JTextField edit = new JTextField(10); windowContent.add(b1); windowContent.add(b2); windowContent.add(lab); windowContent.add(edit); windowContent.add(b3); lab.setText(e + " + " + f + " = "); b1.addActionListener(e -> bol = false ); b2.addActionListener(e -> bol = true ); b3.addActionListener(e -> { if (Objects.equals(edit.getText(), ress)) { JOptionPane.showMessageDialog(windowContent, " Молодец, правильно! "); c = a + (int) (Math.random() + b); c = a + (int) (Math.random() + b); result = c + d; nabrosok.e = String.valueOf(c); f = String.valueOf(d); ress = String.valueOf(result); lab.setText(nabrosok.e + " + " + f + " = "); } else { JOptionPane.showMessageDialog(windowContent, " Не правильно, попробуй еще раз. "); } } ); JFrame frame = new JFrame("Посчитай-Ка"); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.setContentPane(windowContent); frame.setSize(400, 70); frame.setVisible(true); } }