🚀 Unleashing the Power of Optional in Java 8! 🌟

Have you ever thought about how null values were handled in Java 8? Well, here is optional class which was a game changer in Java programming world! 🚀

🔍 What is Optional?

Optional is a final class in java 8

to handle the values as "available" or "not available" instead of checking null values..

🎯 Purpose and Need:

It helps solve the notorious "NullPointerException" as it provides for an easy way to indicate that a value could be missing. This promotes explicit handling of missing values by developers, enhancing code resilience.

🛠️ Important Method:

• ifPresent

• isPresent

• get()

• orElse()

• orElseGet()

• orElseThrow()

• filter()

• map()

• flatMap()

• Optional.empty()

• Optional.of()

• Optional.ofNullable()

🎯 Frequently asked interview question:

• Difference between Map and FlatMap?

• What are different ways to create optional object?

• What are different methods of Optional class?

#Java8 #Optional #CodeElegance💻✨ #JavaDevelopment