Why does the list in uipath need to be initialized and the array does not

[arjunshenoy]

Hi @1545030349

In UiPath, a list variable needs to be initialized before it can be used. This is because a list is a dynamic data structure, which means that its size can change during runtime. When you initialize a list, you are essentially creating an instance of the list with a specific capacity. This capacity can be increased or decreased as items are added or removed from the list.

On the other hand, an array is a fixed-size data structure, which means that its size is determined when it is created and cannot be changed during runtime. When you declare an array variable, you must specify its size, and memory is allocated for the array accordingly. Since the size of an array is fixed, it does not need to be initialized before it can be used.

Best Regards.