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
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
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