listas

1. package Lista;
publicclassListaTrabajador {
private Trabajador p=null;
privateclass Trabajador{
private String dni;
private String nombre;
private String apellido;
privateintdias;
privatedoublejornaldia;
Trabajador siguiente;
private double calcularsueldo(){
returnjornaldia*dias;
}
}
public void agregar(double j, String d, String n, String a, int di){
ListaTrabajador.Trabajador q=new ListaTrabajador.Trabajador();
q.dni=d;
q.nombre=n;
q.apellido=a;
q.dias=di;
q.jornaldia=j;

2. q.siguiente=p;
p=q;
}
publicStringmostrarnombre(){
ListaTrabajador.Trabajador q=p;
String valor="";
while(q!=null)
{
valor=valor+q.nombre+" "+q.apellido+"n";
q=q.siguiente;
}
return valor;
}
publicStringmostrardias(){
ListaTrabajador.Trabajador q=p;
String valor="";
while(q!=null)
{
valor=valor+q.dias+"n";
q=q.siguiente;
}
return valor;
}
publicStringmostrarjornal(){

3. ListaTrabajador.Trabajador q=p;
String valor="";
while(q!=null)
{
valor=valor+q.jornaldia+"n";
q=q.siguiente;
}
return valor;
}
publicStringmostrarsueldo(){
ListaTrabajador.Trabajador q=p;
String valor="";
while(q!=null)
{
valor=valor+q.calcularsueldo()+"n";
q=q.siguiente;
}
return valor;
}
}
FRM
package Prueba;
importLista.ListaTrabajador;

4. importLista.Listasimple;
importjavax.swing.JOptionPane;
publicclassfrmlistatrabajadorextendsjavax.swing.JFrame {
publicListaTrabajadorlst=new ListaTrabajador();
publicfrmlistatrabajador() {
initComponents();
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
btnnuevo = new javax.swing.JButton();
btnagregar = new javax.swing.JButton();
btnmostrar = new javax.swing.JButton();
btnsalir = new javax.swing.JButton();
txtdni = new javax.swing.JTextField();
txtnombre = new javax.swing.JTextField();
txtapellido = new javax.swing.JTextField();
txtdias = new javax.swing.JTextField();

5. txtjornal = new javax.swing.JTextField();
jScrollPane1 = new javax.swing.JScrollPane();
txtarea = new javax.swing.JTextArea();
jScrollPane2 = new javax.swing.JScrollPane();
txtarea1 = new javax.swing.JTextArea();
jScrollPane3 = new javax.swing.JScrollPane();
txtarea2 = new javax.swing.JTextArea();
jScrollPane4 = new javax.swing.JScrollPane();
txtarea3 = new javax.swing.JTextArea();
jLabel6 = new javax.swing.JLabel();
jLabel7 = new javax.swing.JLabel();
jLabel8 = new javax.swing.JLabel();
jLabel9 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
getContentPane().setLayout(new org.netbeans.lib.awtextra.AbsoluteLayout());
jLabel1.setText("DNI");
getContentPane().add(jLabel1, new org.netbeans.lib.awtextra.AbsoluteConstraints(24, 14, -1, -1));
jLabel2.setText("NOMBRES");
getContentPane().add(jLabel2, new org.netbeans.lib.awtextra.AbsoluteConstraints(24, 57, -1, -1));
jLabel3.setText("APELLIDOS");
getContentPane().add(jLabel3, new org.netbeans.lib.awtextra.AbsoluteConstraints(24, 97, -1, -1));

6. jLabel4.setText("DIAS TRABAJADOS");
getContentPane().add(jLabel4, new org.netbeans.lib.awtextra.AbsoluteConstraints(24, 137, -1, 1));
jLabel5.setText("JORNAL DEL DIA");
getContentPane().add(jLabel5, new org.netbeans.lib.awtextra.AbsoluteConstraints(24, 177, -1, 1));
btnnuevo.setText("NUEVO");
btnnuevo.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEventevt) {
btnnuevoActionPerformed(evt);
}
});
getContentPane().add(btnnuevo, new org.netbeans.lib.awtextra.AbsoluteConstraints(42, 229, -1, 1));
btnagregar.setText("AGREGAR");
btnagregar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEventevt) {
btnagregarActionPerformed(evt);
}
});
getContentPane().add(btnagregar, new org.netbeans.lib.awtextra.AbsoluteConstraints(178, 229, 1, -1));
btnmostrar.setText("MOSTRAR");

7. btnmostrar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEventevt) {
btnmostrarActionPerformed(evt);
}
});
getContentPane().add(btnmostrar, new org.netbeans.lib.awtextra.AbsoluteConstraints(315, 229, 1, -1));
btnsalir.setText("SALIR");
btnsalir.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEventevt) {
btnsalirActionPerformed(evt);
}
});
getContentPane().add(btnsalir, new org.netbeans.lib.awtextra.AbsoluteConstraints(466, 229, -1, 1));
getContentPane().add(txtdni, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 10, 130,
30));
txtnombre.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEventevt) {
txtnombreActionPerformed(evt);
}
});
getContentPane().add(txtnombre, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 50,
350, 30));

8. getContentPane().add(txtapellido, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 90,
350, 30));
getContentPane().add(txtdias, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 130, 130,
30));
txtjornal.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEventevt) {
txtjornalActionPerformed(evt);
}
});
getContentPane().add(txtjornal, new org.netbeans.lib.awtextra.AbsoluteConstraints(130, 170,
130, 30));
txtarea.setColumns(20);
txtarea.setRows(5);
jScrollPane1.setViewportView(txtarea);
getContentPane().add(jScrollPane1, new org.netbeans.lib.awtextra.AbsoluteConstraints(24, 295,
181, -1));
txtarea1.setColumns(20);
txtarea1.setRows(5);
jScrollPane2.setViewportView(txtarea1);
getContentPane().add(jScrollPane2, new org.netbeans.lib.awtextra.AbsoluteConstraints(220, 295,
106, -1));

9. txtarea2.setColumns(20);
txtarea2.setRows(5);
jScrollPane3.setViewportView(txtarea2);
getContentPane().add(jScrollPane3, new org.netbeans.lib.awtextra.AbsoluteConstraints(344, 295,
96, -1));
txtarea3.setColumns(20);
txtarea3.setRows(5);
jScrollPane4.setViewportView(txtarea3);
getContentPane().add(jScrollPane4, new org.netbeans.lib.awtextra.AbsoluteConstraints(466, 295,
103, -1));
jLabel6.setText("DIAS TRAB");
getContentPane().add(jLabel6, new org.netbeans.lib.awtextra.AbsoluteConstraints(230, 270, -1, 1));
jLabel7.setText("JORNAL DIA");
getContentPane().add(jLabel7, new org.netbeans.lib.awtextra.AbsoluteConstraints(356, 270, -1, 1));
jLabel8.setText("SUELDO");
getContentPane().add(jLabel8, new org.netbeans.lib.awtextra.AbsoluteConstraints(472, 270, -1, 1));
jLabel9.setText("NOMBRES Y APELLIDOS");

10. getContentPane().add(jLabel9, new org.netbeans.lib.awtextra.AbsoluteConstraints(33, 270, -1, 1));
pack();
}// </editor-fold>
private void txtjornalActionPerformed(java.awt.event.ActionEventevt) {
// TODO add your handling code here:
}
private void txtnombreActionPerformed(java.awt.event.ActionEventevt) {
// TODO add your handling code here:
}
private void btnagregarActionPerformed(java.awt.event.ActionEventevt) {
String d, a, n;
int di;
double jo;
d=txtdni.getText();
n=txtnombre.getText();
a=txtapellido.getText();
di=Integer.parseInt(txtdias.getText());
jo=Double.parseDouble(txtjornal.getText());
lst.agregar(jo, d, n, a, di);
}

11. private void btnmostrarActionPerformed(java.awt.event.ActionEventevt) {
txtarea.append(lst.mostrarnombre());
txtarea1.append(lst.mostrardias());
txtarea2.append(lst.mostrarjornal());
txtarea3.append(lst.mostrarsueldo());
}
private void btnsalirActionPerformed(java.awt.event.ActionEventevt) {
int x=JOptionPane.showConfirmDialog(rootPane, "DeseaSalir", "Salir",
JOptionPane.INFORMATION_MESSAGE);
if(x==0)
System.exit(0);
}
private void btnnuevoActionPerformed(java.awt.event.ActionEventevt) {
txtdni.setText("") ;
txtnombre.setText("") ;
txtapellido.setText("") ;
txtdias.setText("") ;
txtjornal.setText("") ;
txtarea.setText("") ;
txtarea1.setText("") ;
txtarea2.setText("") ;
txtarea3.setText("") ;
}

12. /**
* @paramargs 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(frmlistatrabajador.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(frmlistatrabajador.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
} catch (IllegalAccessException ex) {

13. java.util.logging.Logger.getLogger(frmlistatrabajador.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(frmlistatrabajador.class.getName()).log(java.util.logging.Level.SE
VERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new frmlistatrabajador().setVisible(true);
}
});
}