Elnexus: septiembre 2013

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

/*
* jCalculadora.java
*
* Created on 12/09/2013, 06:53:21 PM
*/
package paqCalculadora;

/**
*
* @author 554
*/
public class jCalculadora extends javax.swing.JFrame {

 /** Creates new form jCalculadora */
 public jCalculadora() {
 initComponents();
 this.setBounds(1, 1, 350, 300);




 }

 /** 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">
 private void initComponents() {

 jBtnMC = new javax.swing.JButton();
 jBtnMR = new javax.swing.JButton();
 jBtnMS = new javax.swing.JButton();
 jBtnMmas = new javax.swing.JButton();
 jBtnMmenos = new javax.swing.JButton();
 jBtnMasMenos = new javax.swing.JButton();
 jBtnBorrar = new javax.swing.JButton();
 jBtnLimpiarTodo = new javax.swing.JButton();
 jBtnLimpiar = new javax.swing.JButton();
 jBtnRaiz = new javax.swing.JButton();
 jBtnOcho = new javax.swing.JButton();
 jBtnsiete = new javax.swing.JButton();
 jBtnNueve = new javax.swing.JButton();
 jBtnDivision = new javax.swing.JButton();
 jBtnPorcentaje = new javax.swing.JButton();
 jBtnCuatro = new javax.swing.JButton();
 jBtnCinco = new javax.swing.JButton();
 jBtnSeis = new javax.swing.JButton();
 jBtnPor = new javax.swing.JButton();
 jBtnCociente = new javax.swing.JButton();
 jBtnUno = new javax.swing.JButton();
 jBtnDos = new javax.swing.JButton();
 jBtnTres = new javax.swing.JButton();
 jBtnMenos = new javax.swing.JButton();
 jBtnMas = new javax.swing.JButton();
 jBtnIgual = new javax.swing.JButton();
 jBtnDecimal = new javax.swing.JButton();
 jBtnCero = new javax.swing.JButton();
 jTxtPantalla = new javax.swing.JLabel();

 setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

 jBtnMC.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMC.setText("MC");
 jBtnMC.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnMCActionPerformed(evt);
 }
 });

 jBtnMR.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMR.setText("MR");

 jBtnMS.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMS.setText("MS");

 jBtnMmas.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMmas.setText("M+");

 jBtnMmenos.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMmenos.setText("M-");

 jBtnMasMenos.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMasMenos.setText("±");

 jBtnBorrar.setFont(new java.awt.Font("Arial", 1, 11)); // NOI18N
 jBtnBorrar.setText("?");

 jBtnLimpiarTodo.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnLimpiarTodo.setText("CE");

 jBtnLimpiar.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnLimpiar.setText("C");

 jBtnRaiz.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnRaiz.setText("v");

 jBtnOcho.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnOcho.setText("8");
 jBtnOcho.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnOchoActionPerformed(evt);
 }
 });

 jBtnsiete.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnsiete.setText("7");
 jBtnsiete.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnsieteActionPerformed(evt);
 }
 });

 jBtnNueve.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnNueve.setText("9");
 jBtnNueve.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnNueveActionPerformed(evt);
 }
 });

 jBtnDivision.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnDivision.setText("/");
 jBtnDivision.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnDivisionActionPerformed(evt);
 }
 });

 jBtnPorcentaje.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnPorcentaje.setText("%");

 jBtnCuatro.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnCuatro.setText("4");
 jBtnCuatro.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnCuatroActionPerformed(evt);
 }
 });

 jBtnCinco.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnCinco.setText("5");
 jBtnCinco.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnCincoActionPerformed(evt);
 }
 });

 jBtnSeis.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnSeis.setText("6");
 jBtnSeis.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnSeisActionPerformed(evt);
 }
 });

 jBtnPor.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnPor.setText("*");
 jBtnPor.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnPorActionPerformed(evt);
 }
 });

 jBtnCociente.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnCociente.setText("1/x");

 jBtnUno.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnUno.setText("1");
 jBtnUno.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnUnoActionPerformed(evt);
 }
 });

 jBtnDos.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnDos.setText("2");
 jBtnDos.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnDosActionPerformed(evt);
 }
 });

 jBtnTres.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnTres.setText("3");
 jBtnTres.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnTresActionPerformed(evt);
 }
 });

 jBtnMenos.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMenos.setText("-");
 jBtnMenos.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnMenosActionPerformed(evt);
 }
 });

 jBtnMas.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnMas.setText("+");
 jBtnMas.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnMasActionPerformed(evt);
 }
 });

 jBtnIgual.setText("=");
 jBtnIgual.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnIgualActionPerformed(evt);
 }
 });

 jBtnDecimal.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnDecimal.setText(",");
 jBtnDecimal.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnDecimalActionPerformed(evt);
 }
 });

 jBtnCero.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
 jBtnCero.setText("0");
 jBtnCero.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jBtnCeroActionPerformed(evt);
 }
 });

 jTxtPantalla.setBackground(new java.awt.Color(255, 255, 255));
 jTxtPantalla.setFont(new java.awt.Font("Arial", 0, 18)); // NOI18N
 jTxtPantalla.setHorizontalAlignment(javax.swing.SwingConstants.RIGHT);
 jTxtPantalla.setText("0");
 jTxtPantalla.setBorder(javax.swing.BorderFactory.createEtchedBorder());
 jTxtPantalla.setOpaque(true);

 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, false)
 .addComponent(jTxtPantalla, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
 .addGroup(layout.createSequentialGroup()
 .addComponent(jBtnMC, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnMR, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnMS, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnMmas, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnMmenos, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addGroup(layout.createSequentialGroup()
 .addComponent(jBtnBorrar, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnLimpiarTodo, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnLimpiar, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnMasMenos, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnRaiz, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addGroup(layout.createSequentialGroup()
 .addComponent(jBtnsiete, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnOcho, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnNueve, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnDivision, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnPorcentaje, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addGroup(layout.createSequentialGroup()
 .addComponent(jBtnCuatro, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnCinco, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnSeis, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnPor, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnCociente, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addGroup(layout.createSequentialGroup()
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addGroup(layout.createSequentialGroup()
 .addComponent(jBtnUno, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addGap(6, 6, 6)
 .addComponent(jBtnDos, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addComponent(jBtnCero, javax.swing.GroupLayout.PREFERRED_SIZE, 114, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addGap(6, 6, 6)
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addComponent(jBtnTres, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addComponent(jBtnDecimal, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addGap(6, 6, 6)
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addComponent(jBtnMenos, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addComponent(jBtnMas, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addGap(6, 6, 6)
 .addComponent(jBtnIgual, javax.swing.GroupLayout.PREFERRED_SIZE, 56, javax.swing.GroupLayout.PREFERRED_SIZE)))
 .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
 );
 layout.setVerticalGroup(
 layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addGroup(layout.createSequentialGroup()
 .addContainerGap()
 .addComponent(jTxtPantalla, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE)
 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addComponent(jBtnMC)
 .addComponent(jBtnMR)
 .addComponent(jBtnMS)
 .addComponent(jBtnMmas)
 .addComponent(jBtnMmenos))
 .addGap(6, 6, 6)
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addComponent(jBtnBorrar)
 .addComponent(jBtnLimpiarTodo)
 .addComponent(jBtnLimpiar)
 .addComponent(jBtnMasMenos)
 .addComponent(jBtnRaiz))
 .addGap(6, 6, 6)
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addComponent(jBtnsiete)
 .addComponent(jBtnOcho)
 .addComponent(jBtnNueve)
 .addComponent(jBtnDivision)
 .addComponent(jBtnPorcentaje))
 .addGap(6, 6, 6)
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addComponent(jBtnCuatro)
 .addComponent(jBtnCinco)
 .addComponent(jBtnSeis)
 .addComponent(jBtnPor)
 .addComponent(jBtnCociente))
 .addGap(6, 6, 6)
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addGroup(layout.createSequentialGroup()
 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 .addComponent(jBtnUno)
 .addComponent(jBtnDos))
 .addGap(6, 6, 6)
 .addComponent(jBtnCero))
 .addGroup(layout.createSequentialGroup()
 .addComponent(jBtnTres)
 .addGap(6, 6, 6)
 .addComponent(jBtnDecimal))
 .addGroup(layout.createSequentialGroup()
 .addComponent(jBtnMenos)
 .addGap(6, 6, 6)
 .addComponent(jBtnMas))
 .addComponent(jBtnIgual, javax.swing.GroupLayout.PREFERRED_SIZE, 52, javax.swing.GroupLayout.PREFERRED_SIZE))
 .addContainerGap(15, Short.MAX_VALUE))
 );

 pack();
 }// </editor-fold>

 boolean primero=true;//bandera (señal para el programa si es que se ejecuta por primer vez el programa)
 String operador1="";
 String operador2="";
 private void jBtnUnoActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:

 if(mas==false){
 if(primero==true){
 jTxtPantalla.setText("1");//borra el cero
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+ "1");
 }
 }
 else
 {
 operador2=operador2+"1";
 jTxtPantalla.setText("<html>"+operador1+" "+operador+""+ operador2+"</html>");
 }
 }

 private void jBtnDosActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if(mas==false){
 if(primero==true){
 jTxtPantalla.setText("2");//borra el cero
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+ "2");
 }
 }
 else
 {
 operador2=operador2+"2";
 jTxtPantalla.setText("<html>"+operador1+" "+operador+""+ operador2+"</html>");
 }
 }

 private void jBtnTresActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if (primero==true){
 jTxtPantalla.setText("3");
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+"3");
 }
 }

 private void jBtnCuatroActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if (primero==true){
 jTxtPantalla.setText("4");
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+"4");
 }
 }

 private void jBtnCincoActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if (primero==true){
 jTxtPantalla.setText("5");
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+"5");
 }
 }

 private void jBtnSeisActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if (primero==true){
 jTxtPantalla.setText("6");
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+"6");
 }
 }

 private void jBtnsieteActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if(primero==true){
 jTxtPantalla.setText("7");
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+"7");
 }
 }

 private void jBtnOchoActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if(primero==true){
 jTxtPantalla.setText("8");
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+"8");
 }
 }

 private void jBtnNueveActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if(primero==true){
 jTxtPantalla.setText("9");
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+"9");
 }
 }
 boolean mas=false;//bandera para saber si ya se presiono el mas
 private void jBtnMasActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 operador="+";
 operador1=jTxtPantalla.getText();
 jTxtPantalla.setText("<html>"+operador1+" + "+operador1+"</html>" );
 mas=true;

 }
 String operador="";//le va adecir al igual que operacion hacer
 private void jBtnIgualActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 Integer resultado=0;
 Double res_div=0.0;
 String resultado1="";
 if ("+".equals(operador))
 {
 resultado=Integer.parseInt(operador1)+Integer.parseInt(operador2);
 resultado1=resultado+"";
 }
 if ("-".equals(operador))
 {
 resultado=Integer.parseInt(operador1)-Integer.parseInt(operador2);
 resultado1=resultado+"";
 }
 if ("*".equals(operador))
 {
 resultado=Integer.parseInt(operador1)*Integer.parseInt(operador2);
 resultado1=resultado+"";
 }
 if ("/".equals(operador))
 {
 if(!operador2.equals("0"))
 {
 res_div=Double.parseDouble(operador1)/Double.parseDouble(operador2);
 Integer aux=0;
 aux=Integer.parseInt(operador1)/Integer.parseInt(operador2);
 if((res_div-aux)==0)
 resultado1=aux+"";
 else
 resultado1=res_div+"";
 }
 else
 resultado1="No se puede dividir por 0";

 }
 jTxtPantalla.setText(resultado1);

 primero=true;
 mas=false;
 operador1=operador2="";

 }

 private void jBtnMenosActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 operador="-";
 operador1=jTxtPantalla.getText();
 jTxtPantalla.setText("<html>"+operador1+" - "+operador1+"</html>" );
 mas=true;
 }

 private void jBtnPorActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 operador="*";
 operador1=jTxtPantalla.getText();
 jTxtPantalla.setText("<html>"+operador1+" * "+operador1+"</html>");
 mas=true;
 }

 private void jBtnDivisionActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 operador="/";
 operador1=jTxtPantalla.getText();
 jTxtPantalla.setText("<html>"+operador1+" / "+operador1+"</html>");
 mas=true;
 }

 private void jBtnCeroActionPerformed(java.awt.event.ActionEvent evt) {
 // TODO add your handling code here:
 if(mas==false){
 if(primero==true){
 jTxtPantalla.setText("0");//borra el cero
 primero=false;
 }
 else
 {
 jTxtPantalla.setText(jTxtPantalla.getText()+ "0");
 }
 }
 else
 {
 operador2=operador2+"0";
 jTxtPantalla.setText("<html>"+operador1+" "+operador+""+ operador2+"</html>");
 }
 }

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

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

 /**
 * @param args the command line arguments
 */
 public static void main(String args[]) {
 java.awt.EventQueue.invokeLater(new Runnable() {

 public void run() {
 new jCalculadora().setVisible(true);
 }
 });
 }
 // Variables declaration - do not modify
 private javax.swing.JButton jBtnBorrar;
 private javax.swing.JButton jBtnCero;
 private javax.swing.JButton jBtnCinco;
 private javax.swing.JButton jBtnCociente;
 private javax.swing.JButton jBtnCuatro;
 private javax.swing.JButton jBtnDecimal;
 private javax.swing.JButton jBtnDivision;
 private javax.swing.JButton jBtnDos;
 private javax.swing.JButton jBtnIgual;
 private javax.swing.JButton jBtnLimpiar;
 private javax.swing.JButton jBtnLimpiarTodo;
 private javax.swing.JButton jBtnMC;
 private javax.swing.JButton jBtnMR;
 private javax.swing.JButton jBtnMS;
 private javax.swing.JButton jBtnMas;
 private javax.swing.JButton jBtnMasMenos;
 private javax.swing.JButton jBtnMenos;
 private javax.swing.JButton jBtnMmas;
 private javax.swing.JButton jBtnMmenos;
 private javax.swing.JButton jBtnNueve;
 private javax.swing.JButton jBtnOcho;
 private javax.swing.JButton jBtnPor;
 private javax.swing.JButton jBtnPorcentaje;
 private javax.swing.JButton jBtnRaiz;
 private javax.swing.JButton jBtnSeis;
 private javax.swing.JButton jBtnTres;
 private javax.swing.JButton jBtnUno;
 private javax.swing.JButton jBtnsiete;
 private javax.swing.JLabel jTxtPantalla;
 // End of variables declaration
}

Elnexus

domingo, 29 de septiembre de 2013

Formulario Calculadora hecho en net beans

Ejercicio Calculadora (Línea de códigos)