Bug ID: JDK-8203442 String::transform

JDK-8203442 : String::transform

Type: Enhancement
Component: core-libs
Sub-Component: java.lang

Priority: P3
Status: Resolved
Resolution: Fixed
OS: generic
CPU: generic

Submitted: 2018-05-18
Updated: 2021-06-16
Resolved: 2018-11-26

Versions (Unresolved/Resolved/Fixed)

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JDK 12
12 b22Fixed

Related Reports

CSR :	JDK-8203703 - String::transform
Relates :	JDK-8215112 - String::transform spec clarification
Relates :	JDK-8140283 - add Stream::transform method to facilitate fluent chaining of other methods
Relates :	JDK-8214753 - (opt) add Optional::transform, allowing an arbitrary operation on an Optional

Description

The String::transform instance method allows the application of a lambda function to a string. The function should expect a single String argument and produce an object result.

Comments

This enhancement sets a precedent for the use of the word "transform" for a method that takes a function and passes 'this' to it and returns an instance of some arbitrary type. See http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-December/057104.html

16-06-2021

Reverting to transform

13-11-2018

String::transform renamed to String::map

12-11-2018