Dart engineer Erik Ernst says on GitHub: Type promotion is only applicable to local variables. … Promotion of an instance variable is not sound, because it could be overridden by a getter that runs a computation and returns a different object each time it is invoked. Cf. dart-lang/language#1188 for discussions about a mechanism which is … Read more
if java supports byte datatype then why operation on byte results int Because that’s how the Java Virtual Machine is designed. There is no instruction set to perform operation on a byte type. Rather the instruction set for int type is used for the operation on boolean, byte, char, and short types. From JVM Spec … Read more
Dart engineer Erik Ernst says on GitHub: Type promotion is only applicable to local variables. … Promotion of an instance variable is not sound, because it could be overridden by a getter that runs a computation and returns a different object each time it is invoked. Cf. dart-lang/language#1188 for discussions about a mechanism which is … Read more