The new Stream#toList() method in JDK16 is not recognized as terminal operator by SonarLint and triggers this error: Intermediate Stream methods should not be left unused Bug Major java:S3958 Versions used: InteliJ: IntelliJ IDEA 2021.1 (Ultimate Edition) Build #IU-211.6693.111 SonarLint pl…

Hey @MartinBG This should be addressed when we bring full support of Java 16 to our products: you can track SONARJAVA-3746 for this specific case and MMF-2317 for the broader effort. This all has a dependency on the release of a new version of the ECJ ( SONARJAVA-3738 ) so probably early summertime. …

[S3958] Stream#toList (JDK 16) is not recognized as terminal operator

Rules and Languages Report False-positive / False-negative...

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Java stream pipeline, terminal method toList not acknowledged Report False-positive / False-negative... java	1	5742	December 16, 2021
Java 17 Collector toList() [False positive] SonarQube Server / Community Build false-positive	2	3879	October 11, 2022
False positive on java:S2386 when using toList() Report False-positive / False-negative... java	3	373	February 20, 2024
java:S6204 should not apply when method signature is contravariant Report False-positive / False-negative... java , intellij , connected_mode , sonarqube-ide	5	1259	March 27, 2023
java:S6204 Code in Constructor is not considered a modification Report False-positive / False-negative... java , intellij , sonarqube-ide	9	944	April 4, 2025

[S3958] Stream#toList (JDK 16) is not recognized as terminal operator

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