Suspicious collection method call

Last modified: 03 December 2024

Reports method calls on parameterized collections, where the actual argument type does not correspond to the collection's elements type.

Example:

List<Integer> list = getListOfElements();
list.remove(""); // remove is highlighted

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

SuspiciousMethodCalls
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Java | Probable bugs

In the inspection settings, you can disable warnings for potentially correct code like the following:

public boolean accept(Map<Integer, String> map, Object key) {
  return map.containsKey(key);
}

Inspection options

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

Report suspicious but possibly correct method calls

Default: Selected

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,

Can be installed with plugin:

Java, 243.23126