Search the courses, subjects, tracks, games and features, or jump straight to a page.
2 cards from this section. Quick, good the night before a test.
What is a generic class?
Think of it as a class that can handle different data types.
Define a type parameter in the context of generics.
Look for the angle brackets in class definitions.
What is the primary purpose of a generic class?
Consider what generics aim to reduce in coding.
True or False: Generic classes can only handle a limited number of types.
Think about how many types a generic class can work with.
Design a generic class called Pair that holds two values of possibly different types. Implement methods to set and get these values.
Consider how you will manage two different type parameters.
Write a main method that creates a Pair of an Integer and a String. Set the values and print them out.
Remember to use the generic class with actual types in the instantiation.
4 more questions in this section. Enroll free to practise them all.
Enroll free