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java.util.concurrent
Interface Callable<V>

Type Parameters:
V - the result type of method call
All Known Subinterfaces:
JavaCompiler.CompilationTask

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 Callable interface is similar to Runnable, in that both are designed for classes whose instances are potentially executed by another thread. A Runnable, however, does not return a result and cannot throw a checked exception.

The Executors class contains utility methods to convert from other common forms to Callable classes.

Since:
1.5
See Also:
Executor

Method Summary
 V call()
          Computes a result, or throws an exception if unable to do so.
 

Method Detail

call

V call()
       throws Exception
Computes a result, or throws an exception if unable to do so.

Returns:
computed result
Throws:
Exception - if unable to compute a result

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