Only one element is used

Reports lists, arrays, and strings where exactly one element is queried right upon the creation. Such expressions may appear after refactoring and usually could be replaced with an accessed element.

Example:

System.out.println(new int[] {1,2,3,4,5}[2]);

After the quick-fix is applied:

System.out.println(3);

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.

OnlyOneElementUsed

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 | Verbose or redundant code constructs

New in 2022.3

Availability

By default bundled with: IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,
Can be installed with plugin: Java, 241.18072

Last modified: 18 June 2024