Java.util.optional Example

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Java.util.optional Example

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Java optional tutorial how to use optional class in java youtube

Java Optional Tutorial How To Use Optional Class In Java YouTube

Java Optional Class Java introduced a new class Optional in jdk8 It is a public final class and used to deal with NullPointerException in Java application You must import java util package to use this class It provides methods which are used to check the presence of value for particular variable 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 This makes the code more readable because the facts which were hidden are now visible to the developer

Java 8 optional class

Java 8 Optional Class

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