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?
Cause of this error -You are trying to pass a primitive object into a generic type declaration whereas generic types always expect a Wrapper Class object. So please use ‘Boolean’ instead of ‘boolean’ in your code i.e. ‘B’ in caps.
In Java the type of any variable is either a primitive type or a reference type. Generic type arguments must be reference types. Since primitives do not extend Object they cannot be used as generic type arguments for a parametrized type. Instead use the Integer class which is a wrapper for int: If your using Java 7 you can simplify … Read more
in the definition of method getStaticFieldValues() change: to
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you’d use one way over the other. First type: Other Way: I suppose off the top of my head, that instead of the anonymous delegate I use above, you’d have a reusable delegate you could specify…
The easiest way I can think of is to use Linq:
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