[jira] [Assigned] (SPARK-53047) Mordernize Spark to use the latest Java features

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-53047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun reassigned SPARK-53047:
-------------------------------------

    Assignee: Dongjoon Hyun

> Mordernize Spark to use the latest Java features
> ------------------------------------------------
>
>                 Key: SPARK-53047
>                 URL: https://issues.apache.org/jira/browse/SPARK-53047
>             Project: Spark
>          Issue Type: Umbrella
>          Components: Spark Core, SQL
>    Affects Versions: 4.1.0
>            Reporter: Dongjoon Hyun
>            Assignee: Dongjoon Hyun
>            Priority: Major
>              Labels: releasenotes
>
> This issue aims to modernize Spark by taking advantage of all Java features which are available since Java 17. In general, these Java's built-in implementations are much faster than Scala 2.13.x or 3rd party libraries and guarantees a complete benefit of the future Java 25.
> || VERSION || JEP ||
> | Java 9 | JEP 280: Indify String Concatenation (https://openjdk.org/jeps/280) |
> | Java 9 | `InputStream.transferTo` |
> | Java 9 | `InputStream.readAllBytes` |
> | Java 11 | `String.isBlank` |
> | Java 11 | `String.repeat` |
> | Java 11 | `Files.writeString` |
> | Java 14 | JEP 359: Records (Preview) (https://openjdk.org/jeps/359) |
> | Java 15 | JEP 384: Records (Second Preview) (https://openjdk.org/jeps/384) |
> | Java 16 | JEP 395: Records (https://openjdk.org/jeps/395) |



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