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Example of assigning a task to ExecutorService using invokeAny() method

Pragya Keshap answered on February 22, 2023 Popularity 1/10 Helpfulness 1/10

answer Example of assigning a task to ExecutorService using invokeAny() method

Example of assigning a task to ExecutorService using invokeAny() method

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The invokeAny() method takes a collection of Callablle objects or objects of classes implementing Callable. This method returns the future object of the callable object which gets successfully executed first.

public class ExecutorServiceExample {  
  
    public static void main(String[] args) throws InterruptedException, ExecutionException {  
        ExecutorService executorService = Executors.newSingleThreadExecutor();  
        Set<Callable<String>> callables = new HashSet<Callable<String>>();  
        callables.add(new Callable<String>() {  
            public String call() throws Exception {  
                return "Task 1";  
            }  
        });  
        callables.add(new Callable<String>() {  
            public String call() throws Exception {  
                return "Task 2";  
            }  
        });  
        callables.add(new Callable<String>() {  
            public String call() throws Exception {  
                return "Task 3";  
            }  
        });  
  
        String result = executorService.invokeAny(callables);  
  
        System.out.println("result = " + result);  
  
        executorService.shutdown();  
    }  
}

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: executorservice java task using

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Contributed on Feb 22 2023

Pragya Keshap

0 Answers Avg Quality 2/10

Example of assigning a task to ExecutorService using invokeAny() method

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