What means operator in flutter?

An operator is a special symbol that is used to carry out some specific operation on its operand . In Dart, we have a rich set of built-in operators to carry out the different types of operations. There are operators for assignment, arithmetic operations, logical operations, and comparison operations, etc.

Read more

What is a Dart map?

Dart Map is an object that stores data in the form of a key-value pair . Each value is associated with its key, and it is used to access its corresponding value. Both keys and values can be any type. In Dart Map, each key must be unique, but the same value can occur multiple times.

Read more