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3 cards from this section. Quick, good the night before a test.
What is type erasure?
Think about what happens to generics when the code is compiled.
Why does Java use type erasure?
Consider how older code interacts with new features.
What happens to the generic types during the compilation process?
Remember what type erasure does to type information.
Type erasure allows for backward compatibility with legacy code.
Consider the relationship between old and new code.
Create a generic class to represent a container for items of any type. Discuss how type erasure would affect its methods and how you'd ensure type safety.
Think about how to constrain types using bounds while implementing the methods.
Examine a given piece of legacy code that uses non-generic data types. Propose how to refactor it to use generics while considering type erasure implications.
Consider existing type assumptions and how they might change with generics.
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