removeLast method Null safety
Pops and returns the last object in this list.
The list must not be empty.
Throws an UnsupportedError if this is a fixed-length list.
Implementation
E removeLast();
Pops and returns the last object in this list.
The list must not be empty.
Throws an UnsupportedError if this is a fixed-length list.
E removeLast();