I like dependency injection as an assemble mechanism in OOP languages like java, so that I just don't have to go around with "news" everywhere constructing ever

I like dependency injection as an assemble mechanism in OOP languages like java, so that I just don't have to go around with "news" everywhere constructing every thing I need. I don't like having to use mocks and stubs, and I think that using those everywhere is indeed an anti-pattern. Having interfaces for stuff that won't really have polymorphism, it's just there for DI or because some guy likes interfaces is just wrong IMO. Interfaces is a layer of misdirection, if you don't have a use for it, don't use it. If eventually a use comes, then you put an interface there, with modern IDEs, there's even short-cuts to extract an interface from a class and do the renamings if you want. So please don't make "interfaces by default" that some DI apologists seem to love.