Is it better to use enum or String to dispatch to the right object to create in a static factory method ?
I have a class representing a set of values that will be used as a key in maps. 开发者_JAVA百科This class is immutable and I want to make it a singleton for every distinct set of values, using the st
I\'ve seen at least three ways of acquiring dependencies in a Java object without coupling the object to the creation of the dependency;
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