Class.forName("oracle.jdbc.OracleDriver");
Properties props = new Properties();
props.put("user", "auibtest");
props.put("password", "auibtest");
props.put("remarksReporting","true"); // 添加此语
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:real", props);
DatabaseMetaData dmd = conn.getMetaData();
ResultSet rs = dmd.getColumns(null, null, "TEST_TABLE", null);
while(rs.next()){
	System.out.println(rs.getString("REMARKS")); // 取出列注释
}
conn.close();