-
- Type Parameters:
V
- the result type of methodcall
- All Known Subinterfaces:
DocumentationTool.DocumentationTask
,JavaCompiler.CompilationTask
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface Callable<V>
A task that returns a result and may throw an exception. Implementors define a single method with no arguments calledcall
.The
Callable
interface is similar toRunnable
, in that both are designed for classes whose instances are potentially executed by another thread. ARunnable
, however, does not return a result and cannot throw a checked exception.The
Executors
class contains utility methods to convert from other common forms toCallable
classes.- Since:
- 1.5
- See Also:
Executor
-
-
Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description V
call()
Computes a result, or throws an exception if unable to do so.
-