This is the current model (for safety of stdout and stderr)

import java.io.*;

class gobbler extends Thread {
    InputStream is;
    StringBuilder output;

    public gobbler(InputStream is) {
        this.is = is;
        output = new StringBuilder();
    }

    public String getOutput() {
        return output.toString();
    }

    public void run() {
        try {
            String line;
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            while ((line = br.readLine()) != null) {
                output.append(line);
                output.append("\n");
            }
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
};

public class props {
    public static void main(String[] args) throws Exception {
        Process process = Runtime.getRuntime().exec("openssl s_client -no_ign_eof -connect google.com:443 -cipher RC4-SHA");
        gobbler stdout = new gobbler(process.getInputStream());
        gobbler stderr = new gobbler(process.getErrorStream());

        stdout.start();
        stderr.start();

        process.getOutputStream().close();

        System.out.println("Waiting for process to terminate ...");
        process.waitFor();
        System.out.print(stdout.getOutput());
        System.out.print(stderr.getOutput());
        System.out.println("Exiting ...");
    }
};