What are the differences between Java 8 Optional class and null?
An example of an AI chatbot conversation about Java 8 Optional class vs null.
What are the differences between Java 8 Optional class and null?
The Optional class in Java 8 is a container that may or may not hold a value, helping to avoid null references.
Why should I use Optional instead of null?
Using Optional can improve code readability and reduce the risk of NullPointerExceptions by explicitly handling absence of values.
Can you give an example of using Optional?
Sure! You can create an Optional like this: Optional<String> name = Optional.ofNullable(getName()); This way, you can check if a value is present.
Are there any performance concerns with using Optional?
Yes, while Optional can improve code safety, it may introduce slight overhead. It's best used in method return types rather than fields.
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