问在java中通过sqlplus在命令行中执行sql

EN

import java.io.*;

public class doscmd
{
    public static void main(String args[])
    {
        try
        {
            String[] cmd = new String[3];


            cmd[0] = "cmd.exe" ;
            cmd[1] = "/C" ;
            cmd[2] = args[0];

            Process p=Runtime.getRuntime().exec(cmd);

            BufferedReader reader=new BufferedReader(
                new InputStreamReader(p.getInputStream())
            );

            BufferedReader error=new BufferedReader(
                new InputStreamReader(p.getErrorStream())
            );

            String line;
            while((line = reader.readLine()) != null)
            {
                System.out.println(line);
            }

            String errLine;
            while((errLine = error.readLine()) != null)
            {
                System.out.println(errLine);
            }
        }
        catch(IOException e1) {e1.printStackTrace();}


        System.out.println("Done");
    }
}

java doscmd "@echo show user; | sqlplus -L USERNAME/PASSWORD@DATABASE"

java doscmd "@echo show user; | sqlplus -L USERNAME/PASSWORD@DATABASE as sysdba"

ERROR:
ORA-01031: insufficient privileges