Programming in Dart: Control Flow & Collections

May 3 2022 · Dart 2.15, DartPad, DartPad

Part 1: Control Flow

09. Use a Switch Statement

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Previous episode: 08. Understand Nested Loops Next episode: 10. Conclusion

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00:02So far in this course, you’ve learned about all types of loops such as the while loop, the for loop, and the for-in loop. But actually, Dart has another aspect of control flow that allows you to switch on a value.

var trafficLight = 'green';

switch (trafficLight) {

}

case 'green': 
    print('drive');

case 'green': 
    print('drive');
    break;

case 'yellow':
    print('slow down');
    break;
case 'red':
    print('stop');
    break;

    default:
      print('stop');

var trafficLight = 'flashing-yellow';

    case 'red':
    default:
      print('stop');

var trafficLight = 'red';

switch (trafficLight) {
    case 'flashing-red': 
      print('drive to line');
      break;    

redLight:
case 'red':
    print('stop');
    break;

switch (trafficLight) {
    case 'flashing-red': 
      continue redLight;    

var trafficLight = 'flashing-red';