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However, when you use a method reference like String::toUpperCase in the context of the map() function in a stream of String objects, Java treats it as an instance method reference of an arbitrary ...
Java collection classes allow a developer to keep track of contained items in one of two ways, either by an indexed count or a key. This creates an obvious limitation where multiple values can’t be ...
Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.