存储过程片段

public static void main(String[] args) {
     // TODO Auto-generated method stub
     ......

     CallableStatement cs=null;
              cs = cnn.prepareCall("{call show(?,?)}");
            cs.registerOutParameter(2,Types.VARCHAR);
            cs.setString(1,"101");
            cs.execute();
            System.out.print("return="+cs.getString(2));
       }