public static void main(String[] args) {
Calculator cal = new Calculator();
cal.add(2, 5);
cal.substruct(5, 3);
cal.div(8, 5);
cal.multiple(9, 2);
}
/** Запуск */
public void go() {
try {
while (!exit.equals("y")) {
chooseOperation();
enterParams();
if (operation != null && operation.equals("add")) {
calc.add(Double.valueOf(first), Double.valueOf(second));
report();
setClean();
setExit();
}
if (operation != null && operation.equals("sub")) {
calc.sub(Double.valueOf(first), Double.valueOf(second));
report();
setClean();
setExit();
}
if (operation != null && operation.equals("div")) {
calc.div(Double.valueOf(first), Double.valueOf(second));
report();
setClean();
setExit();
}
if (operation != null && operation.equals("mul")) {
calc.mul(Double.valueOf(first), Double.valueOf(second));
report();
setClean();
setExit();
}
if (operation != null && operation.equals("inv")) {
calc.inv(Double.valueOf(first), Integer.valueOf(second));
report();
setExit();
}
}
} finally {
reader.close();
}
}
@Test
public void testDiv() {
Calculator cal = new Calculator();
int val = cal.div(4, 2);
assertEquals(val, 2);
}
