New posts in Map

How deep can nested Maps go, and how do I properly add data to those nested maps?

How to send Javascript map as a parameter from lightning component to Apex server controller?

Update records using map values

I need my method to return two Maps. Is this possible?

Decimals pretending to be Integers when used in Maps

What is a use case where one would use an SObject as a Map key?

'Map key null not found in map' when using apex:pageBlockTable

Iterating over a map (Apex)

Maps: adding more (related) sObjects than key values using PUTALL method

Using an sObject as a Map key