package nananan;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Nananan {
    public static void main(String[] args) {
        okno nf = new okno();
    }
}
class okno extends JFrame {
    private JTextArea text;
    private double a1=0, a2=0;
    private int oper = 0;
    private void btnClick(JButton btn)  {
}
    public okno() {
        Container cont = getContentPane();
        JPanel pan = new JPanel();
        pan.setLayout(null);
        Font btnFont = new Font ("arial",0,20);
        Font labFont = new Font ("arial",1,20);
        Font textFont = new Font ("arial",2,20);
        JButton[]btn = new JButton[17];
        for (int i=0;i<17;i++) {
            btn[i] = new JButton();
            btn[i].setSize(100,25);
            btn[i].setFont(btnFont);
            btn[i].setLocation(30,50+i*30);
            btn[i].addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    btnClick((JButton)e.getSource());
                }
            });
            pan.add(btn[i]);
        }
        for (int i=0;i<10;i++) btn[i].setText(" "+i);
        btn[10].setText("+");
        btn[11].setText("-");
        btn[12].setText("/");
        btn[13].setText("*");
        btn[14].setText("=");
        btn[15].setText("C");
        btn[16].setText("Выход");
        JLabel lab = new JLabel("Результат: ");
        lab.setFont(labFont);
        lab.setBounds(130,0,300,50);
        pan.add(lab);
        text = new JTextArea();
        text.setFont(textFont);
        text.setBounds(300,10,300,35);
        text.setForeground(new Color(0,0,100));
        text.setBackground(Color.WHITE);
        cont.add(pan);
        setBounds(0,0,800,600);
        setTitle("Калькулятор");
        setVisible(true);
        }
    }