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Lenguaje
Java usando Swing
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Descripción
Leer n cantidad de números y determine si es par o impar.
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ParOImparDeNNumeros extends JFrame implements ActionListener {
private static final long serialVersionUID = 1L;
private JTextField field_numero;
private JButton button;
public Algoritmo() {
field_numero = new JTextField(4);
button = new JButton("Procesar");
Container pane = getContentPane();
pane.setLayout(new BorderLayout());
JPanel panel, subpanel;
panel = new JPanel(new BorderLayout());
subpanel = new JPanel(new GridLayout(1, 1));
subpanel.add(new JLabel("Ingresa el valor de numero:"));
panel.add(subpanel, BorderLayout.WEST);
subpanel = new JPanel(new GridLayout(1, 1));
subpanel.add(field_numero);
panel.add(subpanel);
pane.add(panel, BorderLayout.NORTH);
panel = new JPanel(new FlowLayout());
panel.add(button);
pane.add(panel);
button.addActionListener(this);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setLocationRelativeTo(null);
}
@Override
public void actionPerformed(ActionEvent actionEvent) {
int n, numero;
try {
numero = Integer.parseInt(field_numero.getText());
} catch (NumberFormatException numberFormatException) {
return;
}
if(numero%2==0)
javax.swing.JOptionPane.showMessageDialog(this, "El n\u00FAmero es par");
else
javax.swing.JOptionPane.showMessageDialog(this, "El n\u00FAmero es impar");
pack();
}
public static void main(String[] args) {
new Algoritmo().setVisible(true);
}
}
import java.awt.event.*;
import javax.swing.*;
public class ParOImparDeNNumeros extends JFrame implements ActionListener {
private static final long serialVersionUID = 1L;
private JTextField field_numero;
private JButton button;
public Algoritmo() {
field_numero = new JTextField(4);
button = new JButton("Procesar");
Container pane = getContentPane();
pane.setLayout(new BorderLayout());
JPanel panel, subpanel;
panel = new JPanel(new BorderLayout());
subpanel = new JPanel(new GridLayout(1, 1));
subpanel.add(new JLabel("Ingresa el valor de numero:"));
panel.add(subpanel, BorderLayout.WEST);
subpanel = new JPanel(new GridLayout(1, 1));
subpanel.add(field_numero);
panel.add(subpanel);
pane.add(panel, BorderLayout.NORTH);
panel = new JPanel(new FlowLayout());
panel.add(button);
pane.add(panel);
button.addActionListener(this);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setLocationRelativeTo(null);
}
@Override
public void actionPerformed(ActionEvent actionEvent) {
int n, numero;
try {
numero = Integer.parseInt(field_numero.getText());
} catch (NumberFormatException numberFormatException) {
return;
}
if(numero%2==0)
javax.swing.JOptionPane.showMessageDialog(this, "El n\u00FAmero es par");
else
javax.swing.JOptionPane.showMessageDialog(this, "El n\u00FAmero es impar");
pack();
}
public static void main(String[] args) {
new Algoritmo().setVisible(true);
}
}