proyecto caso propuesto 1

TAREA CASO PROPUESTO 1Se necesita una aplicacin informtica que calcule el total a facturar por la compra de los siguientes productos (debe representarse con casillas de verificacin):ProductoCosto (US $)

CASE32.00

Microprocesador75

Memoria 48

Mainboard70

Disco Duro120

Monitor130

Teclado5

Mouse5

Lector de CD ROM12

Adicionalmente que tipo de descuento se har efectivo, existen las siguientes posibilidades: 0%, 5%, 8% (Deben representarse con radiobuttons)Calcular el costo total de los productos y el descuento pertinente.Crear el diseo de formulario de acuerdo a su criterio, utilice controles checkbox (casillas de verificacin) y radiobuttons (botones de opcin de grupo).

Codificacin java

public class factura extends javax.swing.JFrame {

public factura() { initComponents(); }

@SuppressWarnings("unchecked") // 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(); jLabel6 = new javax.swing.JLabel(); jLabel7 = new javax.swing.JLabel(); jLabel8 = new javax.swing.JLabel(); jLabel9 = new javax.swing.JLabel(); jLabel10 = new javax.swing.JLabel(); jLabel11 = new javax.swing.JLabel(); check1 = new javax.swing.JCheckBox(); check2 = new javax.swing.JCheckBox(); check3 = new javax.swing.JCheckBox(); check4 = new javax.swing.JCheckBox(); check5 = new javax.swing.JCheckBox(); check6 = new javax.swing.JCheckBox(); check7 = new javax.swing.JCheckBox(); check8 = new javax.swing.JCheckBox(); check9 = new javax.swing.JCheckBox(); rb0 = new javax.swing.JRadioButton(); rb5 = new javax.swing.JRadioButton(); rb8 = new javax.swing.JRadioButton(); jLabel12 = new javax.swing.JLabel(); jLabel13 = new javax.swing.JLabel(); jLabel14 = new javax.swing.JLabel(); jLabel15 = new javax.swing.JLabel(); txtelementosseleccionados = new javax.swing.JTextField(); txttotalapagar = new javax.swing.JTextField(); txttotaldedescuento = new javax.swing.JTextField(); txtnetoapagar = new javax.swing.JTextField(); calcular = new javax.swing.JButton(); jButton1 = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jLabel1.setText("$.32");









jLabel10.setText("Seleccione Producto");

jLabel11.setText("Descuento");

check1.setText("CASE");

check2.setText("Microprocesador");

check3.setText("Memoria");

check4.setText("Mainboard");

check5.setText("Disco Duro");

check6.setText("Monitor"); check6.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { check6ActionPerformed(evt); } });

check7.setText("Teclado");

check8.setText("Mouse");

check9.setText("Lector de CD ROM");

rb0.setText("0%");

rb5.setText("5%");

rb8.setText("8%");

jLabel12.setText("Elementos Selecionados");

jLabel13.setText("Total a Pagar:");

jLabel14.setText("Total de Descuento:");

jLabel15.setText("Neto a Pagar");

txttotalapagar.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { txttotalapagarActionPerformed(evt); } });

calcular.setText("Calcular"); calcular.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { calcularActionPerformed(evt); } });

jButton1.setText("Limpiar"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton1ActionPerformed(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() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(32, 32, 32) .addComponent(jLabel10)) .addGroup(layout.createSequentialGroup() .addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(check9) .addComponent(check2) .addComponent(check3) .addComponent(check4) .addComponent(check5) .addComponent(check6) .addComponent(check7) .addComponent(check8)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel3) .addComponent(jLabel2) .addComponent(jLabel4) .addComponent(jLabel5) .addComponent(jLabel6) .addComponent(jLabel7) .addComponent(jLabel8) .addComponent(jLabel9))) .addGroup(layout.createSequentialGroup() .addComponent(check1) .addGap(79, 79, 79) .addComponent(jLabel1))))) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(83, 83, 83) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(rb0) .addComponent(jLabel11) .addComponent(rb5) .addComponent(rb8))) .addGroup(layout.createSequentialGroup() .addGap(109, 109, 109) .addComponent(jLabel12)) .addGroup(layout.createSequentialGroup() .addGap(124, 124, 124) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(calcular) .addComponent(txtelementosseleccionados, javax.swing.GroupLayout.PREFERRED_SIZE, 59, javax.swing.GroupLayout.PREFERRED_SIZE))))) .addGroup(layout.createSequentialGroup() .addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel14) .addComponent(jLabel13) .addComponent(jLabel15)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addComponent(txttotalapagar, javax.swing.GroupLayout.DEFAULT_SIZE, 65, Short.MAX_VALUE) .addComponent(txttotaldedescuento) .addComponent(txtnetoapagar)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 88, javax.swing.GroupLayout.PREFERRED_SIZE))) .addContainerGap(157, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(7, 7, 7) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel10) .addComponent(jLabel11)) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel1) .addComponent(check1)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel2) .addComponent(check2)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel3) .addComponent(check3)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel4) .addComponent(check4)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel5) .addComponent(check5)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel6) .addComponent(check6)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel7) .addComponent(check7)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel8) .addComponent(check8)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel9) .addComponent(check9))) .addGroup(layout.createSequentialGroup() .addGap(17, 17, 17) .addComponent(rb0) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(rb5) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(rb8) .addGap(18, 18, 18) .addComponent(jLabel12) .addGap(18, 18, 18) .addComponent(txtelementosseleccionados, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(calcular))) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jLabel13) .addComponent(txttotalapagar, 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(jLabel14) .addComponent(txttotaldedescuento, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(jLabel15) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(txtnetoapagar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE))) .addContainerGap(58, Short.MAX_VALUE)) );

pack(); }//

private void check6ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: }

private void txttotalapagarActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: }

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { txtelementosseleccionados.setText("");

txttotalapagar.setText("");

txttotaldedescuento.setText("");

txtnetoapagar.setText(""); // TODO add your handling code here: }

private void calcularActionPerformed(java.awt.event.ActionEvent evt) { double cuenta=0;

double total=0;

double descuento=0;

if (check1.isSelected())

{

cuenta++;

total+=32;

}


{

cuenta++;

total+=75;

}


{

cuenta++;

total+=48;

}


{

cuenta++;

total+=70;

}


{

cuenta++;

total+=120;

}


{

cuenta++;

total+=130;

}


{

cuenta++;

total+=5;

}


{

cuenta++;

total+=5;

}


{

cuenta++;

total+=12;

}

if (rb8.isSelected())

{

descuento=0.8*total;

}

if(rb5.isSelected())

{

descuento=0.05*total;

}

else if (rb0.isSelected())

{

descuento=0;

}

txtelementosseleccionados.setText(String.valueOf(cuenta));

txttotalapagar.setText(String.valueOf(total));

txttotaldedescuento.setText(String.valueOf(descuento));

txtnetoapagar.setText(String.valueOf(total-descuento)); // TODO add your handling code here: }

/** * @param args the command line arguments */ public static void main(String args[]) { /* Set the Nimbus look and feel */ // /* 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(factura.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(factura.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(factura.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(factura.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //

/* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new factura().setVisible(true); } }); }

// Variables declaration - do not modify private javax.swing.JButton calcular; private javax.swing.JCheckBox check1; private javax.swing.JCheckBox check2; private javax.swing.JCheckBox check3; private javax.swing.JCheckBox check4; private javax.swing.JCheckBox check5; private javax.swing.JCheckBox check6; private javax.swing.JCheckBox check7; private javax.swing.JCheckBox check8; private javax.swing.JCheckBox check9; private javax.swing.JButton jButton1; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel10; private javax.swing.JLabel jLabel11; private javax.swing.JLabel jLabel12; private javax.swing.JLabel jLabel13; private javax.swing.JLabel jLabel14; private javax.swing.JLabel jLabel15; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JLabel jLabel5; private javax.swing.JLabel jLabel6; private javax.swing.JLabel jLabel7; private javax.swing.JLabel jLabel8; private javax.swing.JLabel jLabel9; private javax.swing.JRadioButton rb0; private javax.swing.JRadioButton rb5; private javax.swing.JRadioButton rb8; private javax.swing.JTextField txtelementosseleccionados; private javax.swing.JTextField txtnetoapagar; private javax.swing.JTextField txttotalapagar; private javax.swing.JTextField txttotaldedescuento; // End of variables declaration }Imgenes

proyecto caso propuesto 1

Documents