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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