OOPS Abstraction Encapsulation Abstract Classes Interfaces Inheritance Aggregation Overriding
Exception Handling Handled Checked Exceptions:-FileNotFoundException,IOException,CloneNotSupportedException etc. Handled Unchecked Exceptions:- NullPointerException etc.. User Defined Exceptions:- ToyNotFoundException,DuplicateToyException etc.
File handling 2 databases ToyDB and CustomerDB in different files Toy.dat & Customer.dat respectively We have accessed the current working directory dynamically using System.getProperties which takes user.dir as the argument to access present working directory and there we create our files
Note:-
To persist changes in any database Toy or Customer press 0 to exit and answer as "no"
Java 8 LocalTime LocalDate API
Java 8 Functional Programming Stream API Lambda Expressions Predicates Functional Interface
Data Structures 1D ArrayList 2D ArrayList HashMap
UI Menu Driven Admin Dashboard Customer Dashboard
Project Structure Service Classes Implementation Classes Operation Classes Entity Classes
Main Functionalities Admin Add a new or existing toy Update toy info based on multiple parameters Remove the toy completely or by giving units also Search toy based multiple parameters Can get Inventory value & rental Income Customer Rent a toy with as many units only bounded by inventory Remove toys from the current shopping cart Return toys Bill generation Fine Generation View current profile View rental history Search functions as above Data Persisted in files Exceptions handled acc to use cases