Adding a key to the map using Java client

Client Libraries Java Client
1

If i have a bin of type Map than is it possible to add another key,value pair to this map without reading it back first??

I can do it by first reading the map back,adding the key,value to it and writing it back to the same but is it possible to avoid reading it first?

2

This is not possible with current regular map bin functionality. You can, however, use LargeLists which allow values to be appended without rewriting the entire collection.