336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
class Cal extends JFrame {
private JTextField t1;
private JButton b1, b2, b3, b4, b5, b6, b7, b8, b9, b0;
JButton pl, mi, mu, di, cal, c;
String x, y;
public Cal() {
setSize(285, 350);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setTitle("Calculator");
JPanel p = new JPanel();
p.setLayout(null);
t1 = new JTextField(10);
p.add(t1);
b1 = new JButton("1");
p.add(b1);
b1.addActionListener(new Number());
b2 = new JButton("2");
p.add(b2);
b2.addActionListener(new Number());
b3 = new JButton("3");
p.add(b3);
b3.addActionListener(new Number());
b4 = new JButton("4");
p.add(b4);
b4.addActionListener(new Number());
b5 = new JButton("5");
p.add(b5);
b5.addActionListener(new Number());
b6 = new JButton("6");
p.add(b6);
b6.addActionListener(new Number());
b7 = new JButton("7");
p.add(b7);
b7.addActionListener(new Number());
b8 = new JButton("8");
p.add(b8);
b8.addActionListener(new Number());
b9 = new JButton("9");
p.add(b9);
b9.addActionListener(new Number());
b0 = new JButton("0");
p.add(b0);
b0.addActionListener(new Number());
pl = new JButton("+");
p.add(pl);
pl.addActionListener(new Number());
mi = new JButton("-");
p.add(mi);
mi.addActionListener(new Number());
mu = new JButton("*");
p.add(mu);
mu.addActionListener(new Number());
di = new JButton("/");
p.add(di);
di.addActionListener(new Number());
cal = new JButton("=");
p.add(cal);
cal.addActionListener(new Number());
c = new JButton("C");
p.add(c);
c.addActionListener(new Number());
t1.setBounds(10, 10, 245, 80);
b1.setBounds(10, 105, 45, 45);
b2.setBounds(60, 105, 45, 45);
b3.setBounds(110, 105, 45, 45);
b4.setBounds(10, 155, 45, 45);
b5.setBounds(60, 155, 45, 45);
b6.setBounds(110, 155, 45, 45);
b7.setBounds(10, 205, 45, 45);
b8.setBounds(60, 205, 45, 45);
b9.setBounds(110, 205, 45, 45);
b0.setBounds(60, 255, 45, 45);
pl.setBounds(160, 105, 45, 45);
mi.setBounds(160, 155, 45, 45);
mu.setBounds(160, 205, 45, 45);
di.setBounds(160, 255, 45, 45);
c.setBounds(110, 255, 45, 45);
cal.setBounds(210, 105, 45, 195);
add(p);
setVisible(true);
}
private class Number implements ActionListener {
public void actionPerformed(ActionEvent e) {
}
}
}
public class cals {
public static void main(String[] args) {
Cal Cals = new Cal();
}
}