void main() { int i = 2; do { print(i); i++; }while(i<9); } void main() { var num = 5; var factorial = 1; while(num >=1) { factorial = factorial * num; num--; } print("The factorial is ${factorial}"); }while (expression) { Statement(s) to be executed if expression is true }// while loop in dart void main() { int i = 1; while(i<10) { print(i); i++; } }