Comando.java

package comando;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author maryuryjulieth
 */

public class Comando {
    
    public static ArrayList<String[]> stream2String(InputStream is) throws IOException {

        if (is != null) {
            /*
            Writer writer = new StringWriter();
            char[] buffer = new char[1024];
            try {
                Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
                int n;
                while ((n = reader.read(buffer)) != -1) {
                    writer.write(buffer, 0, n);
                }
            } finally {
                is.close();
            }
            return writer.toString();
            */
            
            ArrayList<String[]> res = new ArrayList<String[]>();
            Scanner s = new Scanner(is);
            
            while(s.hasNextLine()){
                String[] line = s.nextLine().split("\t");
                res.add(line);
            }
            
            return res;
            
        } else {
            return null;
        }
    }  

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        try {                       
            Process process = Runtime.getRuntime().exec("tracert -h 5 www.google.com");
            InputStream is = process.getInputStream();                      
                        
            ArrayList<String[]> lineas = stream2String(is);
            
            for(String[] linea: lineas){
                System.out.println(linea[linea.length - 1]);
            }
                
        } catch (IOException e) {                       
            e.printStackTrace();
        }
        
    }

}