Untitled
dart
15 days ago
1.9 kB
6
Indexable
Never
void main() { int i=0; List<int> anyList=[1,3,5,7]; print(anyList.length); } class Alaa extends Alaa1{ int age = 30; static String name = "alaa"; double height = 195.5; double weight = 110; String noSalt(bool isSalt) { height1 =0; if (isSalt) { return "Angry"; } return "Happy"; } } class Alaa1 { int age1 = 30; static String name1 = "alaa"; double height1 = 195.5; double weight1 = 110; String noSalt1(bool isSalt) { if (isSalt) { return "Angry"; } return "Happy"; } } // double bmr = // (88.362 + (13.397 * weight) + (4.799 * height!) - (5.677 * age!)) * 1.725; String function3(String name) { if (name == "omar") { return name; } return "no name"; } int function4(int number) { return number; } void bmrFunction({required double weight, double? height, double? age}) { if (height == null && age == null) { height = 157; age = 20; } if (height != null && age == null) { age = 20; print(height); print(age); } if (height != null && age != null) { print('all done'); } else { print('no data'); } double bmr = (88.362 + (13.397 * weight) + (4.799 * height!) - (5.677 * age!)) * 1.725; print(bmr); } // one of theme is enter age or height // two of theme are entered // check if age or height ar null // resolve the error // if(height == null && age == null){ // height = 88; // age = 30; // } // if(height != null && age == null){ // age = 30; // } // if(height == null && age != null){ // height = 88; // } // void function1( String name, int last){ // print(name); // print(last); // } // void function({required String firstName,String? last}){ // String fullName =''; // print(last); // if(last == null) // { // fullName = firstName ; // } // else // { // fullName = firstName +' '+ last; // } // print(fullName); // }