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Added in API level 1

Callable

public interface Callable

java.util.concurrent.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.

See also:

Summary

Public methods

abstract V call()

Computes a result, or throws an exception if unable to do so.

Public methods

call

Added in API level 1
V call ()

Computes a result, or throws an exception if unable to do so.

Returns
V computed result
Throws
Exception if unable to compute a result
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