Web Reference: Since ArrayList implements the List interface, this is possible. It works the same way, but some developers prefer this style because it gives them more flexibility to change the type later. Jan 16, 2026 Β· This blog will explore different ways to display the elements of an `ArrayList` in Java, covering fundamental concepts, usage methods, common practices, and best practices. The original answer was missing the generic argument on the ArrayList construction. I've put it in. Generic types on methods (and constructors) can be inferred, but not yet on constructed types.
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