Java Optional Class Explained | isPresent, isEmpty, of, ofNullable, empty | Java 8 Tutorial
“NullPointerException” is one of the most common problems in Java. To handle this safely, Java 8 introduced the Optional class.
In this video, I will explain Optional class methods with simple practical examples:
✅ of()
✅ ofNullable()
✅ empty()
✅ isPresent()
✅ isEmpty()
By the end of this video, you’ll understand how to use Optional to write cleaner and safer code in Java.
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