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Optional Class Java
1.8
Optional Class
in Java 8
Java.util.optional
Java 8 Optional
Interface
Java 8
Tutorial
Optional
Nullable Map Example Java
What Is an
Optional Class
Durgasoft Java 8
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javaguides.net
Java Optional Class Methods with Examples
Java introduced a new class Optional in JDK 8. 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 a value for the particular variable.
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