How do you check for null in Optional?

Solution: Using Optional Class Optional. ofNullable() method of the Optional class, returns a Non-empty Optional if the given object has a value, otherwise it returns an empty Optional. We can check whether the returned Optional value is empty or non-empty using the isPresent() method.

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So, to overcome this, Java 8 has introduced a new class Optional in java. util package. It can help in writing a neat code without using too many null checks . By using Optional, we can specify alternate values to return or alternate code to run.

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