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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) {
        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) {
        txtDisplay.setText(txtDisplay.getText()+btnTres.getText());
    }

    private void btnCuatroActionPerformed(java.awt.event.ActionEvent
evt) {
        txtDisplay.setText(txtDisplay.getText()+btnCuatro.getText());
    }



    private void btnCincoActionPerformed(java.awt.event.ActionEvent evt)
{
        txtDisplay.setText(txtDisplay.getText()+btnCinco.getText());
    }

    private void btnSeisActionPerformed(java.awt.event.ActionEvent evt) {
        txtDisplay.setText(txtDisplay.getText()+btnSeis.getText());
    }

    private void btnSieteActionPerformed(java.awt.event.ActionEvent evt) {
        txtDisplay.setText(txtDisplay.getText()+btnSiete.getText());

    }

    private void btnOchoActionPerformed(java.awt.event.ActionEvent evt)
{
        txtDisplay.setText(txtDisplay.getText()+btnOcho.getText());
    }

    private void btnNueveActionPerformed(java.awt.event.ActionEvent
evt) {
        txtDisplay.setText(txtDisplay.getText()+btnNueve.getText());
    }

    private void btnCeroActionPerformed(java.awt.event.ActionEvent evt) {
        txtDisplay.setText(txtDisplay.getText()+btnCero.getText());
    }

    private void btnPuntoActionPerformed(java.awt.event.ActionEvent evt)
{
        if(decimalClic==0){
        txtDisplay.setText(txtDisplay.getText()+btnPunto.getText());
        decimalClic=1;
        }
    }

    private void
btnMasMenosActionPerformed(java.awt.event.ActionEvent evt) {

masmenos=(Double.parseDouble(String.valueOf(txtDisplay.getText())));
        masmenos=masmenos*(‐1);
        txtDisplay.setText(String.valueOf(masmenos));
    }

    private void btnMasActionPerformed(java.awt.event.ActionEvent evt) {

primerdouble=(Double.parseDouble(String.valueOf(txtDisplay.getText())));
        masClic=1;
        decimalClic=0;
    }


    private void btnMenosActionPerformed(java.awt.event.ActionEvent
evt) {

        menosClic=1;
        decimalClic=0;
    }

    private void btnMultiplicaActionPerformed(java.awt.event.ActionEvent
evt) {

        multiClic=1;
        decimalClic=0;
    }

    private void btnDivideActionPerformed(java.awt.event.ActionEvent evt)
{

     divClic=1;
     decimalClic=0;
    }

    private void btnIgualActionPerformed(java.awt.event.ActionEvent evt) {

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;
            primerdouble=0;
            segundouble=0;
            menosClic=0;
        }
        if(multiClic>0){
            totaldouble=primerdouble*segundouble;
            primerdouble=0;
            segundouble=0;
            multiClic=0;
        }
        if(divClic>0){
            totaldouble=primerdouble/segundouble;
            primerdouble=0;
            segundouble=0;
            divClic=0;
        }    }

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