Java: type parameter must implement interface

debugcn Published at Dev

Jonno_FTW

I have a type T that implements interface I, how do I specify that a method takes an object T that implements I, eg.

public SomeClass(T<implements I> parameter) {
     ....
}

Dawood ibn Kareem

public someReturnType someMethod(I parameter) {
     ...
}

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edited at2021-06-27

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