Mode:
Duration:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
import 'dart:io';
void main() {
File file = File('counter.txt');
int count = 0;
if(file.existsSync()) {
count = int.parse(file.readAsStringSync());
}
void updateUI() {
print('Counter: $count');
file.writeAsStringSync(count.toString());
}
void increment() { count++; updateUI(); }
void decrement() { count--; updateUI(); }
void reset() { count = 0; updateUI(); }
updateUI();
increment();
decrement();
reset();
}Coding works best on desktop or with an external keyboard.