What is the role of generics in Java?

1 generics give the ability to type-parameter polymorphism 2 The first advantage of generics is that strict type checking at compile time improves the security and robustness of the program, which is the most important feature of the set framework.

The 3 generics eliminate the vast majority of type conversions. Assuming there is no generics, you have to type conversions when you use the collection framework.

4 generics simplify the code, the application of generic programs to improve the readability of the program, more conducive to the cooperative development of the team.

What is the role of generics in Java?