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Implement the following in java, write all classes need in the following application, in addition to demo class that contains main method to test your application A customer has already account with a particular Website (TOOT). This account holds all data related to the user such as name, password, email. TOOT site applies a new button to validate your email, but they need to not affect the existing application. Instead, they need to build adapter that can access validate email service and make it available for TOOT customers. When a customer needs to perform a validate email, the account cannot access directly toot account detail, but instead it can access adapter to complete the transaction. Validation email process includes the following 1. check if your email contains' and '@' 2. the index of @ must be before the index of. a. if the customer's email is valid, the new service will return valid email and if not, the service will return "not valid b. The application will print the returned message to the user The following UML diagram represents filter design pattern. 1. Write java implementation for the following UML class diagram [6 POINTS] 2. Write a Demo class that contains main method. In the main method, create a list of type item and size 10, and apply 3 filters on it. [1.5 Points] AndFilter apply Fiber List item OrFilter appyFiber List item face Fitter VA Filter temPattem main() void printitemList void - apply Fiter Listiem Less ThanPrice Filter - price for - applyFibero. Letnom GreaterThanRateFilter -rate int opyFilter() Liste tem TypeFilter -type String Filter Listettem Use Item type: String price float ratet - temo .getType -getPrice -getRate() Implement the following in java, write all classes need in the following application, in addition to demo class that contains main method to test your application A customer has already account with a particular Website (TOOT). This account holds all data related to the user such as name, password, email. TOOT site applies a new button to validate your email, but they need to not affect the existing application. Instead, they need to build adapter that can access validate email service and make it available for TOOT customers. When a customer needs to perform a validate email, the account cannot access directly toot account detail, but instead it can access adapter to complete the transaction. Validation email process includes the following 1. check if your email contains' and '@' 2. the index of @ must be before the index of. a. if the customer's email is valid, the new service will return valid email and if not, the service will return "not valid b. The application will print the returned message to the user