'StringBuilder' field

Last modified: 03 December 2024

Reports fields of type java.lang.StringBuffer or java.lang.StringBuilder. Such fields can grow without limit and are often the cause of memory leaks.

Example:

public class Example {
  private StringBuilder builder = new StringBuilder();

}

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.

StringBufferField
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 | Memory

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,

Can be installed with plugin:

Java, 243.23126