In Java 8, we can do a kind of generic array creation using a lambda or method reference. This is similar to the reflective approach (which passes a Class ), but here we aren't using reflection.

Sep 3, 2013 · Note that, in all the above cases, declaration of array is fine, it's the creation of array with new operator, which gives issues. But, there is no point in declaring an array of …

May 10, 2018 · You can't make a generic array directly since type variable information is lost at runtime due to erasure. However, in your case there is a workaround, since the output type of …

Jan 4, 2022 · Since generic type information is erased, you don't have them at runtime and that's why you can't create a generic array in java. There are two solutions to circumvent the issue …

Nov 25, 2013 · I have the following method in my generic class (with type parameters A and B) public void add(A elem, int pos, B[] assoc) What I want to do is create a method. public void …

Nov 30, 2009 · Instantiate the array so that it's items are instances of some class that does extend Comparable<String> Change hashTable from an Array (which is not a generic type), to a …

Apr 13, 2016 · When it comes to the reason why T[] is fail, it because you can't get an array of generic type without a Class<T> and this is because java's type erase( there is a more …

Oct 22, 2011 · However I think it is possible to relax the spec to allow generic array creation - there's really no problem there. The danger comes when up casting the array; a compiler …

Aug 27, 2012 · I am looking to reinvent the wheel a little and create my own generic array-backed list class in Java similar to ArrayList. Yes I know this is silly, but it is an academic pursuit. The …

After Java 8 was released, you can leverage constructor references to return a generic array. While there are more straightforward options to convert List to Integer[], I am explaining the …