Java 8: Does “Optional” class alleviate the pain of ubiquitous NullpointerException?

The most prevalent runtime exception (aka unchecked) exception in Java is the NullPointerException. You need to code defensively to avoid NullPointerException as shown below. Later, we will see how the class java.util.Optional that was introduced in Java 8 will alleviate…

This content is for 100-Day-Full-Access, 200-Day-Full-Access, 365-Day-Full-Access, and 2-Year-Full-Access members only.

Register

50+ Free Java FAQs

50+ Free Big Data FAQs

Already a member? Log in here

300+ Java Interview FAQs

Tutorials on Java & Big Data