What is parametric polymorphism in Java (with example)?

Question

It is my understanding that parametric polymorphism is a technique which allows uniform actions over a variety of data(types). Is my knowledge correct?

Is this example p

Answer 1

Precisely. Parametric polymorphism generally refers to generics/templates.

From wikipedia:

Using parametric polymorphism, a function or a data type can be written generically so that it can handle values identically without depending on their type.