Callable (Java Platform SE 8 )
-
- 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 called
call.The
Callableinterface 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
Executorsclass contains utility methods to convert from other common forms toCallableclasses.- Since:
- 1.5
- See Also:
Executor
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