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Java News Roundup: JDK 18 in RD2, Spring Boot Updates, GraalVM 22, WildFly 2022 Release Plan

This week’s Java roundup for January 17th, 2021, features news from JDK 17, JDK 18, JDK 19, multiple Spring releases, Payara Platform, Open Liberty 22.0.0.1 and 22.0.0.2-beta, Quarkus 2.6.3.Final, WildFly 26.0.1 and 2022 release plan, Micronaut 3.2.7 and 3.3.0-M1, Hibernate ORM 5.6.4.Final and Hibernate Search 6.1.0-CR1, Liberica JDK 17.0.2, GraalVM 22 and JReleaser 0.10.0 and 1.0.0-M1.

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Java 2022: Predictions and Assumptions – JAXenter

The need to work from home and the inability to freely move around the world has stimulated the development of data security, cloud computing, big data, tools for remote work. The Java language and platform are still in demand and evolving. In this article, Alex Yelenevych is going to talk about what will influence the development of Java in 2022 and what to expect for developers of this language.

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Java 8 Optional Class 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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Java 8 Lambda Expressions

In this post, we will discuss the most important feature of Java 8 that is Lambda Expressions. We will learn Lambda Expressions with lots of examples by comparing Java 7 and Java 8 examples.You can download the source code from my GitHub Repository. This blog can also help to migrate from Java 7 to Java 8.

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Java 8 Method References

Java provides a new feature called method reference in Java 8. Method reference is used to refer method of the functional interface. It is a compact and easy form of a lambda expression. Each time when you are using a lambda expression to just referring a method, you can replace your lambda expression with method reference.