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'SimpleDateFormat' without locale

Reports instantiations of java.util.SimpleDateFormat or java.time.format.DateTimeFormatter that do not specify a java.util.Locale. These calls will use the platform default locale, which depends on the OS settings. This can lead to surprising behaviour when the code is run on a different platform or the OS settings are changed.


new SimpleDateFormat("yyyy"); DateTimeFormatter.ofPattern("d/M/y");

Inspection Details

Available in:

IntelliJ IDEA 2023.3, Qodana for JVM 2023.3


Java, 233.SNAPSHOT

Last modified: 13 July 2023