what is operators in programming || day - 7 || hello world program in Dart or flutter || flutter

is video mein aap janenge ki ham pahla apna hello world ka program kaise print karva sakte hain.
and data types ko initialisation kese karte he wo bhi dekhne wale he.
int
double
string
char
float

and operaters kya hote he or kese use karte
he.
thank you

Видео what is operators in programming || day - 7 || hello world program in Dart or flutter || flutter канала Hemant-03