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Mismatched query and update of 'StringBuilder'

Reports StringBuilder, StringBuffer or StringJoiner objects whose contents are read but not written to, or written to but not read.

Such inconsistent reads and writes are pointless and probably indicate dead, incomplete, or erroneous code.


public void m1() { StringBuilder sb = new StringBuilder(); sb.append("a"); }

Inspection Details

Available in:

IntelliJ IDEA 2023.3, Qodana for JVM 2023.3


Java, 233.SNAPSHOT

Last modified: 13 July 2023