What are some common errors when using wildcards in Java?
An example of an AI chatbot conversation about common errors with wildcards in Java.
What are some common errors when using wildcards in Java?
Some common errors include using wildcards inappropriately in generics, leading to type safety issues.
Can you give me an example of a wildcard error?
Sure! A common mistake is using List<?> when you actually need a List<T>, which can cause compilation errors.
How can I fix these wildcard errors?
You can fix them by ensuring that you use the correct type parameters and understanding the bounds of wildcards.
Are there best practices for using wildcards?
Yes, always prefer using bounded wildcards when possible and avoid using raw types to maintain type safety.
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