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Editorial Team
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Asked: 2026-06-15T11:24:46+00:00

Whenever generics are missing from source code in eclipse it suggests I Infer Generic

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Whenever generics are missing from source code in eclipse it suggests I “Infer Generic Type Arguments…”

The problem is that I don’t think “Infer Generic Type Arguments…” has ever actually inferred anything. It typically comes up with no suggestions.

What scenarios does it work for? How does it work?

There have been a few cases where it is possible to “infer” something – eclipse still comes up blank.

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  1. Editorial Team

    From Eclipse Help:

    Replaces raw type occurrences of generic types by parameterized types after identifying all places where this replacement is possible.
    Available: Projects, packages, and types
    Options: ‘Assume clone() returns an instance of the receiver type’. Well-behaved classes generally respect this rule, but if you know that your code violates it, uncheck the box.

    Leave unconstrained type arguments raw (rather than inferring ). If there are no constraints on the elements of e.g. ArrayList a, uncheck this box will cause Eclipse to still provide a wildcard parameter, replacing the reference with ArrayList.

    You can find an example at the end of the page.

    HTH

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