RuntimeTest

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
 
public class RunTimeTest {
    public static void main(String[] args) throws IOException, InterruptedException, 
                                                   ExecutionException, TimeoutException {
        
        Runtime rt = Runtime.getRuntime();
        
        String[] cmd = {"cmd", "/C", "dir"};
        
        Process ps = rt.exec(cmd);
        
        BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
        
        String line;
        
        while((line = br.readLine()) != null) {
            System.out.println(line);            
        }
        
        CallableClass run = new CallableClass();
        //Thread th = new Thread(run);
        
        ExecutorService exeService = Executors.newFixedThreadPool(5);
        
        Future ft = exeService.submit(run);
 
        Thread.sleep(5000);
        
        ft.cancel(true);
        
        System.out.println("isCalcelled : " + ft.isCancelled());
        
        if(!ft.isCancelled()) {
            
            String result = (String) ft.get(5, TimeUnit.SECONDS);
            
            System.out.println("Result : " + result);
            
        }
        
        if(ft.isDone()) {
            System.out.println("isDone");
        }
         
 
        
        
        exeService.shutdown();
        
        
        
        
    }
}