practica1

ISTP: Manuel Seoane Corrales Java Swing

Lic. Bernardo C. Hermitaño Atencio

CALCULADORA CON JAVA EN NETBEANS public class Calculadora extends javax.swing.JFrame { //variables double masmenos; double primerdouble; double segundouble; double totaldouble; //para los botones int masClic;

int menosClic; int divClic; int multiClic; int decimalClic; private void btnLimpiarActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(""); decimalClic=0; } private void btnUnoActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnUno.getText()); } private void btnDosActionPerformed(java.awt.event.ActionEvent evt) { txtDisplay.setText(txtDisplay.getText()+btnDos.getText()); } private void btnTresActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnTres.getText()); } private void btnCuatroActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnCuatro.getText()); }



private void btnCincoActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnCinco.getText()); } private void btnSeisActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnSeis.getText()); } private void btnSieteActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnSiete.getText()); } private void btnOchoActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnOcho.getText()); } private void btnNueveActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnNueve.getText()); } private void btnCeroActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here: txtDisplay.setText(txtDisplay.getText()+btnCero.getText()); } private void btnPuntoActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: if(decimalClic==0){ txtDisplay.setText(txtDisplay.getText()+btnPunto.getText()); decimalClic=1; } } private void btnMasMenosActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: masmenos=(Double.parseDouble(String.valueOf(txtDisplay.getText()))); masmenos=masmenos*(‐1); txtDisplay.setText(String.valueOf(masmenos)); } private void btnMasActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: primerdouble=(Double.parseDouble(String.valueOf(txtDisplay.getText()))); txtDisplay.setText(""); masClic=1; decimalClic=0; }



private void btnMenosActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: primerdouble=(Double.parseDouble(String.valueOf(txtDisplay.getText()))); txtDisplay.setText(""); menosClic=1; decimalClic=0; } private void btnMultiplicaActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: primerdouble=(Double.parseDouble(String.valueOf(txtDisplay.getText()))); txtDisplay.setText(""); multiClic=1; decimalClic=0; } private void btnDivideActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: primerdouble=(Double.parseDouble(String.valueOf(txtDisplay.getText()))); txtDisplay.setText(""); divClic=1; decimalClic=0; } private void btnIgualActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here: segundouble=(Double.parseDouble(String.valueOf(txtDisplay.getText()))); if(masClic>0){ totaldouble=primerdouble+segundouble; txtDisplay.setText(String.valueOf(totaldouble)); primerdouble=0; segundouble=0; masClic=0; } if(menosClic>0){ totaldouble=primerdouble‐segundouble; txtDisplay.setText(String.valueOf(totaldouble)); primerdouble=0; segundouble=0; menosClic=0; } if(multiClic>0){ totaldouble=primerdouble*segundouble; txtDisplay.setText(String.valueOf(totaldouble)); primerdouble=0; segundouble=0; multiClic=0; } if(divClic>0){ totaldouble=primerdouble/segundouble; txtDisplay.setText(String.valueOf(totaldouble)); primerdouble=0; segundouble=0; divClic=0; } }

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