Sometimes Java generics just doesn’t let you do what you want to, and you need to effectively tell the compiler that what you’re doing really will be legal at execution time. I usually find this a pain when I’m mocking a generic interface, but there are other examples too. It’s usually worth trying to work … Read more
I am currently studying Java and have recently been stumped by angle brackets(<>). What exactly do they mean? What does the <T> mean? Does it means that I can create an object of type T?
The way I look at it is this – the placeholder T stands in for a definite type and in places where we need to know the actual type we need to be able to work it out. In contrast the wildcard ? means any type and I will never need to know what that type is. You can … Read more