1. Logic&

4. • Lars&Bak&
– HotSpot&Java&VM&
– V8&JavaScript&VM&in&Google&
Chrome&
– 18&so=ware&patents&

5. • Gilad&Bracha&
– ComputaAonal&Theologist&and&
later&DisAnguished&Engineer&
at&Sun&
– Java&Language&SpecificaAon&
– Java&Virtual&Machine&
SpecificaAon&

6. • C&like&Syntax&
• Goal:&Mass&Appeal&
int fib(int n) {
if (n <= 1) return n;
return fib(n - 1) + fib(n - 2);
}
main() {
print('fib(20) = ${fib(20)}');
}

7. Compiler&
JavaScript*

8. Compiler&
VM*
BuildingDar4um*

9. Sta4c* Dynamic*
Typing* Typing*

10. Op4onal*Typing*

11. class Person {}
class Customer extends Person {
buy() {print("bought");}
}
main() {
Person p = new Customer();
p.buy();
}

12. • Type&Warnings&but&code&runs&
• Type&annotaAons&don’t&change&behavior&

13. Classic&Concurrency&
Threads&
Object&with&State&

14. Message&
Port&
Isolate&
with&State&

15. class Printer extends Isolate {
main() {
port.receive((message, replyTo) {
if (message == null) port.close();
else print(message);
});
}
}

16. Port&
Isolate&

17. Port&
Isolate&

18. &
?&

19. www.dartlang.org&

20. Tech&
Preview&