Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;

public class Main {

    private static final String DRIVER = "com.mysql.jdbc.Driver";
    private static final String HOST = "192.168.56.101";
    private static final String PORT = "3316";
    private static final String CONNECTION_URL = "jdbc:mysql://" + HOST + ":" + PORT + "/";
    private static final String USERNAME = "user";
    private static final String PASSWORD = "pwd";
    private static final String DATABASE = "db";
    private static final String TABLE = "table";
    private static final String QUERY = "select * from " + DATABASE + "." + TABLE + " where 1=0";

    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        Class.forName(DRIVER);
        Connection con = DriverManager.getConnection(CONNECTION_URL, USERNAME, PASSWORD);
        ResultSet rs = con.createStatement().executeQuery(QUERY);
        if (rs != null) {
            System.out.println("Column Type\t\t Column Name");

            ResultSetMetaData rsmd = rs.getMetaData();
            for (int i = 1; i <= rsmd.getColumnCount(); i++) {
                System.out.println(rsmd.getColumnTypeName(i) + "\t\t\t" + rsmd.getColumnName(i));
            }
        }
    }
}