We would write a DAO class for managing Students like the following code: public class StudentDAO Here, Number is upper bound of the type parameter T. Writing Generic Classes in JavaSuppose that we are developing a database library called Data Access Object (DAO) for a program that manages resources in a university. Why should we write generic code?The reason I tell you to write generic code is that generic code helps you save time and effort, in terms of avoiding redundancy and creating more reusable and more general API.Keep reading and you will see the power and robustness of writing generic code. generic classes and generic methods in Java. Nicolas seems to be right, it can not be done and I need to pass the class as an argument to my. How can I get the Class of a generic (return) type What should I write in place of T as the second argument to evaluate EDIT: Conclusion. ![]() This tutorial helps you write your own generic stuffs i.e. The second argument to evaluator.evaluate() is supposed to be a Class object.
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