How to make a deep copy of Java ArrayList
Java ArrayList copy
I think what you’re asking is how to do this: List<List<Int>> arrayList = new ArrayList(); //Java usually infers type parameters in cases as ...
-
April 7, 2022
- 0 Comments
You can convert, but I don’t think there’s anything built in to do it automatically: public static int convertIntegers(List<Integer> integers) { int...
Quite a few problems with your code: On Arrays.asList returning a fixed-size list From the API: Arrays.asList: Returns a fixed-size list backed by the specified array. You ...
-
April 7, 2022
- 0 Comments
Java ArrayList replace at specific index
As per Oracle Documentation: “You cannot create arrays of parameterized types” Instead, you could do: ArrayList<ArrayList<Individual>> group = new ArrayList<ArrayList<Individual>>(4); As suggested by Tom ...
-
April 6, 2022
- 0 Comments