I want to point out, that most of the code "TestYourJava" Version 2 may work as expected but also may fail.
The given code will fail:
Whereas if our writeis Object? false
is null? false
is String? true
is Double? false
Code: Alles auswählen
Double o = null;
So the functionis Object? false
Bob: ### java.lang.String cannot be cast to java.lang.Double ###
is null? true
is Double? false
Code: Alles auswählen
private static <T> T cast(Object i)