Golang maps implements a hash table. Hash tables are one of the most used data structure. A hash table is an unordered collection of key-value pairs,
where each key is unique.
The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the
object. If helps to reduce the programing complexity and the efort.
How to deep clone an object in Java. The clone method from the parent object needs to clone each child object separately and added to the cloned parent object.
