'StringBuilder.toString()' in concatenation

Reports StringBuffer.toString() or StringBuilder.toString() calls in string concatenations. Such calls are unnecessary when concatenating and can be removed, saving a method call and an object allocation, which may improve performance.

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.

StringBufferToStringInConcatenation

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 | Performance

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