Here you can find the source of printColTypes(ResultSetMetaData rsmd)
public static void printColTypes(ResultSetMetaData rsmd) throws SQLException
//package com.java2s; /*//w w w .ja va 2 s .c om * Crunchy Data Solutions * Copyright 2014 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.sql.*; public class Main { public static void printColTypes(ResultSetMetaData rsmd) throws SQLException { int columns = rsmd.getColumnCount(); for (int i = 1; i <= columns; i++) { int jdbcType = rsmd.getColumnType(i); String name = rsmd.getColumnTypeName(i); //System.out.print("Column " + i + " is JDBC type " + jdbcType); //System.out.println(", which the DBMS calls " + name); } } }