Java 20 / JDK 20: General Availability

This page summarizes the projects mentioned and recommended in the original post on /r/java
CLI Java command-line-parser Command-line Argument Parsers Projects

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  • rewrite-migrate-java

    OpenRewrite recipes for migrating to newer versions of Java.

    • There's an OpenRewrite module that can help automate the migration. I haven't tried it myself.

  • jbock

    Reflectionless command line parser

    • The command line example gave me the "ick". It is usually preferrable to parse the command line arguments into one instance of a custom "command class", rather than into a list of things. Like jcommander, picocli or jbock do.

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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  • picocli

    Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.

    • The command line example gave me the "ick". It is usually preferrable to parse the command line arguments into one instance of a custom "command class", rather than into a list of things. Like jcommander, picocli or jbock do.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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