switch(variable_expression) { case constant_expr1: { // statements; } break; case constant_expr2: { //statements; } break; default: { //statements; } break; }
void main() { var grade = "A"; switch(grade) { case "A": { print("Excellent"); } break; case "B": { print("Good"); } break; case "C": { print("Fair"); } break; case "D": { print("Poor"); } break; default: { print("Invalid choice"); } break; } }