Interface Callable<V>
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- Type Parameters:
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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
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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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description Vcall()Computes a result, or throws an exception if unable to do so.
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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