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Home/ Questions/Q 3491278
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Editorial Team
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Editorial Team
Asked: May 18, 20262026-05-18T11:37:03+00:00 2026-05-18T11:37:03+00:00

I want to implement the Map<K,V> interface, but I want to constrain K to

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I want to implement the Map<K,V> interface, but I want to constrain K to type String.

Is this possible? Or does the interface definition impose that K be polymorphic?

If it is possible, could someone help with the class signature, tks.

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  1. Editorial Team
    Editorial Team
    2026-05-18T11:37:04+00:00Added an answer on May 18, 2026 at 11:37 am

    try : class Test< V > implements Map< String, V >
    hope it helps

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