Nokia Dct4 Calculator File

form.addCommand(cmdAdd); form.addCommand(cmdSub); form.addCommand(cmdMul); form.addCommand(cmdDiv); form.addCommand(cmdEq); form.addCommand(cmdExit);

Command cmdAdd = new Command("Add", Command.OK, 1); Command cmdSub = new Command("Subtract", Command.OK, 2); Command cmdMul = new Command("Multiply", Command.OK, 3); Command cmdDiv = new Command("Divide", Command.OK, 4); Command cmdEq = new Command("Equals", Command.OK, 5); Command cmdExit = new Command("Exit", Command.EXIT, 1);

display.setCurrent(form); }

form.setCommandListener(new CommandListener() { public void commandAction(Command c, Displayable d) { if (c == cmdAdd) { operator = "+"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdSub) { operator = "-"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdMul) { operator = "*"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdDiv) { operator = "/"; siOperator.setText("Operator: " + operator); tfNumber1.setVisible(false); tfNumber2.setVisible(true); tfNumber2.setString(""); display.setCurrent(form); isNumber1 = false; } else if (c == cmdEq) { if (isNumber1) { num1 = tfNumber1.getString(); } else { num2 = tfNumber2.getString(); }

StringItem siOperator = new StringItem("Operator: ", ""); form.append(siOperator); 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; } }

import javax.microedition.lcdui.*; import javax.microedition.midlet.*; Command cmdAdd = new Command("Add"

double n1 = Double.parseDouble(num1); double n2 = Double.parseDouble(num2); double res = 0;