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Basics notes Single line comment: / / Multiline comment: / **/ Document notes:/** ​ * ​ */ identifier It refers to a symbol used to identify an entity and the name used by users in programming. It is used to name variables, constants, functions, statement blocks, etc All identifiers should be in letters (AZ, AZ), dollar sign ($), unde ...

catalogue Concept of set Collection interface 1.Collection parent interface 2. Use iterators to traverse the collection List interface and implementation class 1. List iterator 2.List interface implementation class Generics and utility classes ⚠️ be careful 1. Generic class 2. Generic interface 3. Generic methods 4. Generic colle ...