What are the differences between Java 8 Optional and Collections?
An example of an AI chatbot conversation about Java 8 Optional vs Collections.
What are the main differences between Java 8 Optional and Collections?
Java 8 Optional is a container for zero or one value, while Collections can hold multiple values. Optional helps avoid null checks.
When should I use Optional instead of Collections?
Use Optional when you want to represent a single value that may or may not be present. Use Collections when you need to handle multiple values.
Can you give an example of using Optional?
Sure! You can use Optional like this: Optional<String> name = Optional.ofNullable(getName()); This avoids null pointer exceptions.
What are the drawbacks of using Optional?
One drawback is that using Optional can lead to performance overhead if used excessively, especially in large collections.
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