Specifying a generic type in java from Class object

Question

Why this is wrong:

    Class type = Integer.class;
    ArrayList = new ArrayList<>();

?

I

Answer 1

You don't even need to pass in an argument:

public <T extends Number> ArrayList<T> createAList () {
    return new ArrayList<T>();
}

Though you may need to explicitly specify the type parameter when calling:

ArrayList<Integer> intList = this.<Integer>createAList();