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Delegating to a Parameter

Delegating to a Parameter

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The problem

In the previous example, we wrote Worker by JavaProgrammer(), which says that the Manager instance is delegating to an implicitly created instance of the JavaProgrammer, but that poses two issues. First, the instances of Manager class can only route to instances of JavaProgrammer, not to instances of any other Worker implementors. Second, an instance of Manager doesn’t have access to the ...