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Search for vulnerabilities resulting from the violation of this guideline on the CERT website.
Bibliography
\[[Bloch 2008|AA. References#Bloch 08]\] Item 43: Return empty arrays or collections, not nulls Wiki Markup
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MET53-J. Always provide feedback about the resulting value of a method 05. Methods (MET) MET11-J. Never declare a class method that hides a method declared in a superclass or superinterface