P - The type of the argument provided to the call method.R - The type of the return type of the call method.@FunctionalInterface public interface Callback<P,R>
Callback is defined with two generic parameters: the first parameter
specifies the type of the object passed in to the call method,
with the second parameter specifying the return type of the method.
| Modifier and Type | Method and Description |
|---|---|
R |
call(P param)
The
call method is called when required, and is given a
single argument of type P, with a requirement that an object of type R
is returned. |
R call(P param)
call method is called when required, and is given a
single argument of type P, with a requirement that an object of type R
is returned.param - The single argument upon which the returned value should be
determined.Submit a bug or feature
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