Can Anyone Help Please I Really Don't Find Solution For Long Time

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        my problem is that i can't receive the result of command, how to run external .exe in java, the problem run without error but i can't print the result of commandes

//-------the main -----------------------
public class test {
public static LanceMoteur l;
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
   l=new LanceMoteur("version");
   l.lancerMoteur();
	}

}
//----------------class run the .exe ---------------

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;




public class LanceMoteur {
	private static InputStream in; 
	private static OutputStream out;
	private String comd;
	
	public LanceMoteur(String cmd){
		comd=cmd;
	}
	public void lancerMoteur(){
		try {
			Runtime rt = Runtime.getRuntime();
			Process pr = rt.exec("/home/syphax/Bureau/VoronoiMoteur "+comd);
			in=pr.getInputStream();
			out=pr.getOutputStream();
			//new ThreadSendMoteur(out).start();
			//new ThreadReceiveMoteur(in).start();
			 int exitVal = pr.waitFor();
			 BufferedReader buf=new BufferedReader(new InputStreamReader(pr.getErrorStream()));
			 String line="";
			 while((line=buf.readLine())!=null){
				 System.out.println(line);
			 }
	        System.out.println("ExitValue: " + exitVal);
	        
	        
		} catch(Exception e) {
            System.out.println(e.toString());
            e.printStackTrace();
        }
		
	}
}
//---------------------------------------------------------- thread send commande ---------------------


import java.io.BufferedWriter;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

public class ThreadSendMoteur extends Thread{
	private OutputStream outstream;
	static ObjectOutputStream bout;
	public ThreadSendMoteur(OutputStream out){
		outstream=out;
	}
	public   void run() {
		
		try {
			sleep(1000);
		} catch (InterruptedException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		try {
			//bout=new ObjectOutputStream(outstream);
			
			OutputStreamWriter ow = new OutputStreamWriter(outstream) ;
			BufferedWriter wr = new BufferedWriter(ow) ;
			wr.write("version");
			wr.flush();
			System.out.println("envoi de la commande");
			
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		
	}
}
//--------------------------thread receiv result -----------------------


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class ThreadReceiveMoteur extends Thread {
	InputStream instream;
	public ThreadReceiveMoteur(InputStream in){
		instream=in;
		
	}
	public   void run() {
		while(true){
		try {
			sleep(2000);
		} catch (InterruptedException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		
		BufferedReader input = new BufferedReader(new InputStreamReader(instream));
		try {
			new BufferedWriter(new FileWriter("/home/syphax/Bureau/out.txt")).write(input.readLine());
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		try 
		{
			while(input != null) 
			{
				
				String _ch = input.readLine();
				if(_ch != null){ 
					System.out.print((String)_ch); 
				System.out.println("send thread22222223333");
				}else break;
			}
			
		} 
		catch (Exception e) 
		{
			e.printStackTrace();
		} 
	}
	} }

Tags:
• .exe
• C++
• in
• java
• run