Nokia Dct4 Calculator May 2026

public CalculatorMIDlet() { display = Display.getDisplay(this); }

tfNumber2 = new TextField("Number 2: ", "", 10, TextField.NUMERIC); tfNumber2.setVisible(false); form.append(tfNumber2); nokia dct4 calculator

if (operator.equals("+")) { res = n1 + n2; } else if (operator.equals("-")) { res = n1 - n2; } else if (operator.equals("*")) { res = n1 * n2; } else if (operator.equals("/")) { if (n2 != 0) { res = n1 / n2; } else { siResult.setText("Result: Error"); return; } } public CalculatorMIDlet() { display = Display

display.setCurrent(form); }

StringItem siResult = new StringItem("Result: ", ""); form.append(siResult); } else { siResult.setText("Result: Error")

public class CalculatorMIDlet extends MIDlet { private Display display; private TextField tfNumber1, tfNumber2, tfResult; private String num1 = "", num2 = "", operator = ""; private boolean isNumber1 = true;