Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package e.pkg3.pkg6a.acertijo; import java.util.Calendar; import java.util.Random; import javax.swing.JOptionPane; import org.apache.commons.lang3.time.DurationFormatUtils; /** * * @author Manuel Caamaque */ public class acertijo extends javax.swing.JFrame { int numero_Aleatorio; int contador = 0; Calendar inicio; Random rnd; /** * Creates new form acertijo */ public acertijo() { initComponents(); rnd = new Random(); numero_Aleatorio = rnd.nextInt(100) + 1; System.out.println("" + numero_Aleatorio); inicio = Calendar.getInstance(); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { texto = new javax.swing.JTextField(); boton = new javax.swing.JButton(); jScrollPane1 = new javax.swing.JScrollPane(); area = new javax.swing.JTextArea(); boton_Otro = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); boton.setText("Comprobar Nmero"); boton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { botonActionPerformed(evt); } }); area.setEditable(false); area.setColumns(20); area.setLineWrap(true); area.setRows(5); area.setWrapStyleWord(true); jScrollPane1.setViewportView(area); boton_Otro.setText("Generar Otro Numero"); boton_Otro.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { boton_OtroActionPerformed(evt); } }); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jScrollPane1) .addGroup(layout.createSequentialGroup() .addComponent(texto, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(boton) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(boton_Otro).addGap(0, 23, Short.MAX_VALUE))) .addContainerGap())); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(texto, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(boton).addComponent(boton_Otro)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))); pack(); }// </editor-fold>//GEN-END:initComponents private void botonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_botonActionPerformed int numero_Usuario = 0; try { numero_Usuario = Integer.valueOf(texto.getText()); } catch (NumberFormatException e) { JOptionPane.showMessageDialog(this, "Introduce un Numero"); e.printStackTrace(); contador++; } int resta = numero_Aleatorio - numero_Usuario; if (resta < 0) { area.setText("El numero es menor que " + numero_Usuario); } if (resta > 0) { area.setText("El numero es mayor que " + numero_Usuario); } contador++; if (resta == 0) { Calendar fin = Calendar.getInstance(); String formato = "HH:mm:ss"; long inicioMilis = (inicio.get(Calendar.HOUR) * 3600000L) + (inicio.get(Calendar.MINUTE) * 60000L) + (inicio.get(Calendar.SECOND) * 1000L); long finalMilis = (fin.get(Calendar.HOUR) * 3600000L) + (fin.get(Calendar.MINUTE) * 60000L) + (fin.get(Calendar.SECOND) * 1000L); String duracion = DurationFormatUtils.formatPeriod(inicioMilis, finalMilis, formato); area.setText("El numero es Correcto!\n"); area.append("Acertado en " + contador + " intentos\n"); area.append("Acertado en " + duracion); contador = 0; boton.setEnabled(false); texto.setEnabled(false); } }//GEN-LAST:event_botonActionPerformed private void boton_OtroActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_boton_OtroActionPerformed numero_Aleatorio = rnd.nextInt(100) + 1; System.out.println("" + numero_Aleatorio); inicio = Calendar.getInstance(); boton.setEnabled(true); texto.setEnabled(true); }//GEN-LAST:event_boton_OtroActionPerformed /** * @param args the command line arguments */ public static void main(String args[]) { /* Set the Nimbus look and feel */ //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html */ try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(acertijo.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(acertijo.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(acertijo.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(acertijo.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //</editor-fold> /* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new acertijo().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JTextArea area; private javax.swing.JButton boton; private javax.swing.JButton boton_Otro; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JTextField texto; // End of variables declaration//GEN-END:variables }