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- Where do tag selectors and class selectors vary from one another in terms of the functions they perform?What is type checking?Point of sales systemcreate a POS in java that will have the basic operation of a point of sales System.your system should provide the following:1. a login frame to allow the employee to login2. cash register sales3. items scanning when a client bring the product4. real time stock level5. stock infosl (product codes ,and informartion such as price and quantity)6. sales reportall the product must be stored in a SQL database using necessary security.Note:1. Use GUI to make the application2. Do not use any builder to drag and drop component
- Pointers (and/or reference) types are necessary in modern programming languages because they aid readability and reliabilty they provide the means to access and manipulate dynamic storage they are easy to use and easy to get right otherwise everyone would be able to programIncorrect statements about delegates are?a) Delegates are reference typesb) Delegates are object orientedc) Delegates are type safed) Only one method can be called using a delegate In C#Object oriented programming Using C++ programming language Creating program make user insert his birthday date yy/mm/dd and display his Astrological sign using four of these Threads inheritance-1 vector-2 opreator overloading-3 Template-4 Expection Handling -5 class-6 freind function and friend-7 class