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Static collection

Reports static fields of a Collection type. While it's not necessarily a problem, static collections often cause memory leaks and are therefore prohibited by some coding standards.

Example:

public class Example { static List<String> list = new ArrayList<>(); }

Configure the inspection:

  • Use the Ignore weak static collections or maps option to ignore the fields of the java.util.WeakHashMap type.

Inspection options

Here you can find the description of settings available for the Static collection inspection, and the reference of their default values.

Ignore weak static collections or maps

Not selected

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Java, 241.16690

Last modified: 29 April 2024