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Mensajes - luisjoseblancom
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« en: Jueves 6 de Febrero de 2014, 04:22 »
hola buenas, necesito ayuda con un programa. Soy nuevo programando en Java y me mandaron a hacer un programa de listas y me falta una parte que es mostrar, mi duda es como hago para usar un boton para mostrar los datos guardados en un textarea. Como hago para enlazarlos de alguna manera. /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package lista_clase; /** * * @author cultca */ public class Pantalla extends javax. swing. JFrame { Alumno ptr,ptr1,inicio,ultimo,aux,c; public Pantalla() { initComponents(); } /** * 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. */ // <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() { Nombre = new javax. swing. JLabel(); APELLIDO = new javax. swing. JLabel(); Cedula = new javax. swing. JLabel(); edad = new javax. swing. JLabel(); jLabel5 = new javax. swing. JLabel(); BOTONINGRESAR = new javax. swing. JButton(); BOTONMOSTRAR = new javax. swing. JButton(); jList1 = new javax. swing. JList(); setAlwaysOnTop(true); setBackground (new java. awt. Color(0, 0, 0)); setCursor (new java. awt. Cursor(java. awt. Cursor. HAND_CURSOR)); setForeground (java. awt. Color. green); setName("Pantalla"); // NOI18N Nombre. setBackground(new java. awt. Color(153, 153, 153)); Nombre. setFont(new java. awt. Font("Tunga", 0, 14)); // NOI18N Nombre. setForeground(new java. awt. Color(51, 51, 255)); Nombre.setText("NOMBRE:"); APELLIDO. setBackground(new java. awt. Color(153, 153, 153)); APELLIDO. setFont(new java. awt. Font("Tunga", 0, 14)); // NOI18N APELLIDO. setForeground(new java. awt. Color(0, 0, 255)); APELLIDO.setText("APELLIDO:"); Cedula. setBackground(new java. awt. Color(153, 153, 153)); Cedula. setFont(new java. awt. Font("Tunga", 0, 14)); // NOI18N Cedula. setForeground(new java. awt. Color(0, 0, 255)); Cedula.setText("CEDULA:"); edad. setBackground(new java. awt. Color(153, 153, 153)); edad. setFont(new java. awt. Font("Tunga", 0, 14)); // NOI18N edad. setForeground(new java. awt. Color(0, 0, 255)); edad.setText("EDAD:"); nombre. setFont(new java. awt. Font("Traditional Arabic", 3, 14)); // NOI18N apellido. setFont(new java. awt. Font("Traditional Arabic", 3, 14)); // NOI18N CEDULA. setFont(new java. awt. Font("Traditional Arabic", 3, 14)); // NOI18N public void actionPerformed (java. awt. event. ActionEvent evt ) { CEDULAActionPerformed(evt); } }); EDAD. setFont(new java. awt. Font("Traditional Arabic", 3, 14)); // NOI18N public void actionPerformed (java. awt. event. ActionEvent evt ) { EDADActionPerformed(evt); } }); jLabel5. setFont(new java. awt. Font("Times New Roman", 0, 20)); // NOI18N jLabel5.setText("Lista De Clases "); BOTONINGRESAR. setBackground(new java. awt. Color(102, 102, 102)); BOTONINGRESAR. setForeground(new java. awt. Color(0, 0, 255)); BOTONINGRESAR.setText("INGRESAR"); public void actionPerformed (java. awt. event. ActionEvent evt ) { BOTONINGRESARActionPerformed(evt); } }); BOTONMOSTRAR. setBackground(new java. awt. Color(102, 102, 102)); BOTONMOSTRAR. setForeground(new java. awt. Color(51, 51, 255)); BOTONMOSTRAR.setText("MOSTRAR"); public void actionPerformed (java. awt. event. ActionEvent evt ) { BOTONMOSTRARActionPerformed(evt); } }); jScrollPane1.setViewportView(jList1); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() . addGap(0, 0, Short. MAX_VALUE) .addComponent(BOTONMOSTRAR) .addGap(120, 120, 120)) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(BOTONINGRESAR) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(Nombre, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(APELLIDO) .addComponent(Cedula) .addComponent(edad)) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(nombre, javax.swing.GroupLayout.PREFERRED_SIZE, 210, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(layout.createSequentialGroup() .addGap(14, 14, 14) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(CEDULA, javax.swing.GroupLayout.PREFERRED_SIZE, 140, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(apellido, javax.swing.GroupLayout.PREFERRED_SIZE, 210, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(EDAD, javax.swing.GroupLayout.PREFERRED_SIZE, 49, javax.swing.GroupLayout.PREFERRED_SIZE)))))) .addGap(18, 18, 18) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 177, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(layout.createSequentialGroup() .addGap(118, 118, 118) .addComponent(jLabel5))) . addContainerGap(70, Short. MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(9, 9, 9) .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() . addComponent(jScrollPane1, javax. swing. GroupLayout. DEFAULT_SIZE, 262, Short. MAX_VALUE) .addGap(18, 18, 18) .addComponent(BOTONMOSTRAR)) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(nombre, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(Nombre, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(6, 6, 6) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(apellido, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(APELLIDO, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(CEDULA, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(Cedula)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(EDAD, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(edad)) .addGap(18, 18, 18) .addComponent(BOTONINGRESAR) .addGap(19, 19, 19)))) ); pack(); }// </editor-fold> private void EDADActionPerformed (java. awt. event. ActionEvent evt ) { // TODO add your handling code here: } private void CEDULAActionPerformed (java. awt. event. ActionEvent evt ) { // TODO add your handling code here: } private void BOTONINGRESARActionPerformed (java. awt. event. ActionEvent evt ) { // TODO add your handling code here: if (ptr==null){ ptr=new Alumno(); // esto es para convertir los enteros en string ptr. set_cedula(Integer. parseInt(CEDULA. getText())); ptr. set_edad(Integer. parseInt(EDAD. getText())); // esto es para borrar los datos en la pantalla nombre.setText(" "); apellido.setText(" "); CEDULA.setText(" "); EDAD.setText(" "); ptr1=ptr; inicio=ptr; ultimo=ptr; ultimo.sig=null; } else { ptr=new Alumno(); ptr.set_nombre(nombre.getText()); ptr.set_apellido(apellido.getText()); //esto es para convertir los enteros en string ptr. set_cedula(Integer. parseInt(CEDULA. getText())); ptr. set_edad(Integer. parseInt(EDAD. getText())); // esto es para borrar los datos de la pantalla nombre.setText(" "); apellido.setText(" "); CEDULA.setText(" "); EDAD.setText(" "); ptr1.sig=ptr; ultimo=ptr; ultimo.sig=null; } } private void BOTONMOSTRARActionPerformed (java. awt. event. ActionEvent evt ) { // TODO add your handling code here: aux=ptr; int c=0; while (aux!=null){ System. out. println("Nombre : "+aux. nombre); System. out. println("Apellido : "+aux. apellido); System. out. println("Cedula : "+aux. cedula); System. out. println("Edad : "+aux. edad); c++; } if (c==0){ System. out. println("LISTA VACIA"); } } /** * @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 { if ("Nimbus".equals(info.getName())) { javax. swing. UIManager. setLookAndFeel(info. getClassName()); break; } } java. util. logging. Logger. getLogger(Pantalla. class. getName()). log(java. util. logging. Level. SEVERE, null, ex ); java. util. logging. Logger. getLogger(Pantalla. class. getName()). log(java. util. logging. Level. SEVERE, null, ex ); java. util. logging. Logger. getLogger(Pantalla. class. getName()). log(java. util. logging. Level. SEVERE, null, ex ); java. util. logging. Logger. getLogger(Pantalla. class. getName()). log(java. util. logging. Level. SEVERE, null, ex ); } //</editor-fold> /* Create and display the form */ public void run() { new Pantalla().setVisible(true); } }); } // Variables declaration - do not modify private javax. swing. JLabel APELLIDO ; private javax. swing. JButton BOTONINGRESAR ; private javax. swing. JButton BOTONMOSTRAR ; private javax. swing. JLabel Cedula ; private javax. swing. JLabel Nombre ; private javax. swing. JLabel edad ; private javax. swing. JLabel jLabel5 ; private javax. swing. JList jList1 ; // End of variables declaration }
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