The answer from @edutesoy points to the documentation of PowerMockito and mentions constructor mocking as a hint but doesn’t mention how to apply that to the current problem in the question. Here is a solution based on that. Taking the code from the question: public class MyClass { void method1 { MyObject obj1 = new … Read more
Edited to update for null safety (use Object? instead of Object). Another perspective on dynamic is that it’s not really a type – it’s a way to turn off type checking and tell the static type system “trust me, I know what I’m doing”. Writing dynamic o; declares a variable that isn’t typed – it’s … Read more
There are two different types of object uses, expression and declaration. Object Expression An object expression can be used when a class needs slight modification, but it’s not necessary to create an entirely new subclass for it. Anonymous inner classes are a good example of this. button.setOnClickListener(object: View.OnClickListener() { override fun onClick(view: View) { // … Read more
It’s called the “Non-null assertion operator” and it tells the compiler that x.getY() is not null. It’s a new typescript 2.0 feature and you can read about it in the what’s new page, here’s what it says: A new ! post-fix expression operator may be used to assert that its operand is non-null and non-undefined … Read more
Darts built-in collections use a named constructor called “from” to accomplish this. See this post: Clone a List, Map or Set in Dart Map mapA = { ‘foo’: ‘bar’ }; Map mapB = new Map.from(mapA);
There’s no casting in javascript, so you cannot throw if “casting fails”. Typescript supports casting but that’s only for compilation time, and you can do it like this: const toDo = <IToDoDto> req.body; // or const toDo = req.body as IToDoDto; You can check at runtime if the value is valid and if not throw … Read more