Пример #1
0
 private void jButton21ActionPerformed(
     java.awt.event.ActionEvent evt) { // GEN-FIRST:event_jButton21ActionPerformed
   // TODO add your handling code here:
   cal.a = Double.valueOf(Result.getText());
   Result.setText("");
   state = "/";
 } // GEN-LAST:event_jButton21ActionPerformed
Пример #2
0
 private void jButton22ActionPerformed(
     java.awt.event.ActionEvent evt) { // GEN-FIRST:event_jButton22ActionPerformed
   // TODO add your handling code here:
   temp = Result.getText();
   if (temp == "") {
   } else {
     if (Double.valueOf(temp) > 0) {
       temp = "-" + temp;
     } else {
       temp = temp.replace("-", "");
     }
     Result.setText(temp);
   }
 } // GEN-LAST:event_jButton22ActionPerformed
Пример #3
0
 private void jButton17ActionPerformed(
     java.awt.event.ActionEvent evt) { // GEN-FIRST:event_jButton17ActionPerformed
   // TODO add your handling code here:
   aftereq = true;
   cal.b = Double.valueOf(Result.getText());
   if (state == "+") {
     cal.tambah();
     Result.setText(String.valueOf(cal.c));
   } else if (state == "-") {
     cal.kurang();
     Result.setText(String.valueOf(cal.c));
   } else if (state == "*") {
     cal.kali();
     Result.setText(String.valueOf(cal.c));
   } else {
     cal.bagi();
     Result.setText(String.valueOf(cal.c));
   }
 } // GEN-LAST:event_jButton17ActionPerformed