java调exe

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class test2 {
public static void main(String args[]){
try {

           Process pro = Runtime.getRuntime().exec("e:\\test\\test.exe");                          System.out.println("ok");           BufferedReader reader=new BufferedReader(new InputStreamReader(pro.getInputStream()));           String str=reader.readLine();           reader.close();       } catch (IOException ex) {           System.out.println(ex.getMessage());       }}

}