Getting back into Java after 12-15 years away?

• gs-spring-boot

  23 836 6.1 Java

  Building an Application with Spring Boot :: Learn how to build an application with minimal configuration.

  

Go through this tutorial of Spring Boot. https://spring.io/guides/gs/spring-boot/ Use the Spring Initializr site to download a zip file with a Spring Boot project structure and Maven pom file ready to go. Try building a REST service and use JPA to store some data in a in-memory database like H2. Using something like Postman to send REST requests. Have fun!

• Apache Wicket

  8 717 9.5 Java

  Apache Wicket - Component-based Java web framework

  

Perhaps, a good competitor for JSF is Apache Wicket.

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• Truth

  4 2,693 8.9 Java

  Fluent assertions for Java and Android

  

Truth is a nice unit testing assertion library

• kotlin

  208 47,471 10.0 Kotlin

  The Kotlin Programming Language.

  

Besides that, Kotlin gained a lot of popularity and has some advantages over Java, for example null-safety or a more powerful collection API. Kotlin and Spring can be used together easily.

• AssertJ

  14 2,537 9.5 Java

  AssertJ is a library providing easy to use rich typed assertions

  

While we are at it: AssertJ is very powerful for writing assertions.

• jbang

  12 1,349 8.4 Java

  Unleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.

  

big part of why I made jbang.dev so if you want to quickly play with all the suggested technologies in this thread without being a java build tool master do give it a go.

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