ExplicitHashMapInstantiation.md

Pattern: Explicit HashMap instantiation

Issue: -

Description

This rule checks for explicit calls to the no-argument constructor of HashMap. In Groovy, it is best to replace new HashMap() with [:], which creates (mostly) the same object. [:] is technically a LinkedHashMap but it is very rare that someone absolutely needs an instance of HashMap and not a subclass.

Further Reading

• CodeNarc - ExplicitHashMapInstantiation