HashMap underlying principle implementation source code analysis

*** summary HashMap is implemented based on the Map interface. Elements are stored in the form of key value pairs, and null values are allowed to be added. Because keys are not allowed to be repeated, only one key can be null. In addition, HashMap cannot guarantee the order in which elements are placed. It is disordered and cannot be the ...

Added by zman on Sat, 20 Nov 2021 08:45:13 +0200