What is the difference between generics and type erasure?

Can you explain the difference between generics and type erasure?

Sure! Generics allow you to write flexible and reusable code by defining a type parameter. Type erasure, on the other hand, is a process where the generic type information is removed during compilation, making the code compatible with older versions of Java.

Why is type erasure used in Java?

Type erasure is used in Java to maintain backward compatibility with older versions that do not support generics. It ensures that generic types do not affect the runtime behavior of the program.

Can you give an example of generics in Java?

Certainly! Here's a simple example: List<String> stringList = new ArrayList<>(); This creates a list that can only hold String objects.

What are the drawbacks of type erasure?

One drawback is that you lose type information at runtime, which can lead to ClassCastExceptions if not handled properly. It also limits certain operations, like creating arrays of generic types.