'StringBuffer' may be 'StringBuilder'

Last modified: 03 December 2024

Reports variables declared as StringBuffer and suggests replacing them with StringBuilder. StringBuilder is a non-thread-safe replacement for StringBuffer.

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StringBufferMayBeStringBuilder
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Settings or Preferences | Editor | Inspections | Java | Java language level migration aids | Java 5

This inspection only reports if the language level of the project or module is 5 or higher.

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,

Can be installed with plugin:

Java, 243.23126