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 metodosnumericos; import java.awt.BorderLayout; import org.jfree.chart.ChartPanel; import java.util.concurrent.ExecutionException; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JOptionPane; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PlotOrientation; import javax.swing.JTable; import javax.swing.JScrollPane; import org.jfree.data.xy.XYSeries; /** * * @author Juan Fernando Zuluaga <jzulua50@eafit.edu.co> * @author Daniel Arango Pelaez <darang24@eafit.edu.co> * */ public class VentanaBusquedasIn extends javax.swing.JFrame { /** * Creates new form VentanaBusquedasIn * @param cadena * @return boolean */ public boolean esNumero(String cadena) { try { Integer.parseInt(cadena); return true; } catch (NumberFormatException nfe) { return false; } } public VentanaBusquedasIn() { initComponents(); this.setLocationRelativeTo(null); this.setResizable(false); this.setTitle("Busquedas Incrementales"); } String funcion; public void RecibirFuncion(String f) { funcion = f; } /** * 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() { jButton1 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); jLabel2 = new javax.swing.JLabel(); jLabel3 = new javax.swing.JLabel(); jLabel4 = new javax.swing.JLabel(); jTextField1 = new javax.swing.JTextField(); jTextField2 = new javax.swing.JTextField(); jTextField3 = new javax.swing.JTextField(); jTabbedPane1 = new javax.swing.JTabbedPane(); panelGrafica = new javax.swing.JPanel(); canvas1 = new java.awt.Canvas(); panelTabla = new javax.swing.JPanel(); jButton4 = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); jButton1.setText("< Atrs"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(evt); } }); jButton2.setText("Calcular"); jButton2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton2ActionPerformed(evt); } }); jLabel2.setText("Xo:"); jLabel3.setText("X(delta):"); jLabel4.setText("Iteraciones:"); jTextField1.setText("Xo"); jTextField1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jTextField1ActionPerformed(evt); } }); jTextField2.setText("Xi"); jTextField3.setText("Iteraciones"); panelGrafica.add(canvas1); jTabbedPane1.addTab("Grafica", panelGrafica); panelTabla.setLayout(new java.awt.BorderLayout()); jTabbedPane1.addTab("Tabla", panelTabla); jButton4.setIcon(new javax.swing.ImageIcon(getClass().getResource("/Imagenes/info.png"))); // NOI18N jButton4.setActionCommand("Info"); jButton4.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton4ActionPerformed(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) .addGroup(layout.createSequentialGroup().addGap(14, 14, 14).addComponent(jButton1) .addGap(70, 70, 70).addComponent(jButton2)) .addComponent(jButton4) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel2).addComponent(jLabel3).addComponent(jLabel4)) .addGap(47, 47, 47) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, 148, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 150, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 150, javax.swing.GroupLayout.PREFERRED_SIZE)))) .addGap(18, 18, 18) .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 391, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) .addGroup(layout.createSequentialGroup().addComponent(jButton4).addGap(36, 36, 36) .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel2) .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel3).addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel4).addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jButton1).addComponent(jButton2))) .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 327, javax.swing.GroupLayout.PREFERRED_SIZE)) .addContainerGap())); pack(); }// </editor-fold>//GEN-END:initComponents private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed //boton atras VentanaUnaVariable vuv = new VentanaUnaVariable(); this.setVisible(false); vuv.setVisible(true); }//GEN-LAST:event_jButton1ActionPerformed private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField1ActionPerformed // TODO add your handling code here: }//GEN-LAST:event_jTextField1ActionPerformed private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed //boton calcular; if (jTextField1.getText().isEmpty() || jTextField2.getText().isEmpty() || jTextField3.getText().isEmpty()) { JOptionPane.showMessageDialog(null, "Verifique que los campos no esten vacios", "Mensaje", JOptionPane.INFORMATION_MESSAGE); } else { try { Graficador t = new Graficador(); double delta = Double.parseDouble(jTextField2.getText()); double iteraciones = Double.parseDouble(jTextField3.getText()); double xi = Double.parseDouble(jTextField1.getText()); double xs = xi + (delta * iteraciones); ChartPanel panel = t.series(funcion, xi, xs); panelGrafica.removeAll(); panelGrafica.add(panel); panelGrafica.updateUI(); Metodos m = new Metodos(); JOptionPane.showMessageDialog(null, m.Busqueda(xi, delta, Integer.parseInt(jTextField3.getText()), funcion), "Resultado", JOptionPane.INFORMATION_MESSAGE); GeneradorTablas g = new GeneradorTablas(); JTable tabla = g.tablaBusquedas(m.getBusquedax(), m.getBusquedaFx()); panelTabla.removeAll(); panelTabla.add(new JScrollPane(tabla)); panelTabla.updateUI(); VentanaUnaVariable vuv = new VentanaUnaVariable(); System.out.println("Mire se encontro: " + funcion); Evaluador eva = new Evaluador(); eva.Evaluador2(funcion, 2); } catch (Exception e) { JOptionPane.showMessageDialog(null, "Verifique que los campos sean Numeros", "Mensaje", JOptionPane.INFORMATION_MESSAGE); } } }//GEN-LAST:event_jButton2ActionPerformed private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed JOptionPane.showMessageDialog(this, "Su objetivo es encontrar un intervalo que contenga al menos una raz.\n" + "Se garantiza que haya una raz si la funcin es continua en el intervalo [a,b] \n" + "que se utiliza y adems f(a) * f(b) < 0. Un problema con este mtodo es que es posible \n" + "que se pase por una o ms races en un intervalo y aun as diga que no haya raz."); }//GEN-LAST:event_jButton4ActionPerformed /** * @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(VentanaBusquedasIn.class.getName()) .log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(VentanaBusquedasIn.class.getName()) .log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(VentanaBusquedasIn.class.getName()) .log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(VentanaBusquedasIn.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 VentanaBusquedasIn().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private java.awt.Canvas canvas1; private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JButton jButton4; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JTabbedPane jTabbedPane1; private javax.swing.JTextField jTextField1; private javax.swing.JTextField jTextField2; private javax.swing.JTextField jTextField3; private javax.swing.JPanel panelGrafica; private javax.swing.JPanel panelTabla; // End of variables declaration//GEN-END:variables }