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org.sonar.l10n.java.rules.squid.S2447.html Maven / Gradle / Ivy

While null is technically a valid Boolean value, that fact, and the distinction between Boolean and boolean is easy to forget. So returning null from a Boolean method is likely to cause problems with callers' code.

Noncompliant Code Example
public Boolean isUsable() {
  // ...
  return null;  // Noncompliant
}