package main;

import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;

@SuppressWarnings("serial")
public class Frame extends JFrame {

    JPanel panel = new JPanel();

    public static void main(String[] args) {
        new Frame("huinya");
    }

    public Frame(String title) {
        this.setTitle(title);

        JTextField textField = new JTextField(20);
        textField.setAction(new AbstractAction() {

            @Override
            public void actionPerformed(ActionEvent event) {
                String[] input = ((JTextField)event.getSource()).getText().split(" ");

                int a,b,c,d;
                double r1,r2;
                a = Integer.parseInt(input[0]);
                b = Integer.parseInt(input[1]);
                c = Integer.parseInt(input[2]);

                d = b*b-4*a*c;

                if (d<0) {
                    System.out.println("idi nahui");
                    return;
                }

                r1 = ((-b)+Math.sqrt(d))/(2*a);
                r2 = ((-b)-Math.sqrt(d))/(2*a);

                if (d==0) {
                    System.out.println("x1="+r1);
                    return;
                }

                System.out.println("x1="+r1+", x2="+r2);

            }
        });

        panel.add(textField);
        this.add(panel);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setVisible(true);
        this.setSize(640, 480);
    }

}