Fetch records from MySQL and print them

MySQL_Fetch.java

//STEP 1. Import required packages
import java.sql.*;

public class MySQL_Fetch
{
	// JDBC driver name and database URL
	static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";  
	static final String DB_URL = "jdbc:mysql://localhost/test";

	// Database credentials
	static final String USER = "root";
	static final String PASS = "root";

	public static void main(String[] args)
	{
		Connection conn = null;
		Statement  stmt = null;
		try { 
			// STEP 2: Register JDBC driver
			Class.forName("com.mysql.jdbc.Driver");

			// STEP 3: Open a connection
			System.out.println("Connecting to test database...");
			conn = DriverManager.getConnection(DB_URL, USER, PASS);
			System.out.println("Connected database successfully...");

			// STEP 4: Execute a query
			System.out.println("Fetching records from the table...");
			stmt = conn.createStatement();

			long time1 = System.currentTimeMillis();
			// Fetch twenty thousand records and print them
			String sql = "SELECT * FROM seq";
      
			ResultSet rs = stmt.executeQuery(sql);
			// Extract data from result set
			int id;
			String seq;
			while (rs.next()){
				// Retrieve by column name
				id  = rs.getInt("idseq");
				seq = rs.getString("seqcol");

				// Print record
				System.out.println("id: " + id + " seq " + seq);
			}
			rs.close();
			
			long time2 = System.currentTimeMillis();
			
			// Print time
			System.out.println("------------------");
			System.out.println("Fetched and printed 20000 records from the table...");
			System.out.println("Time taken = " + (time2 - time1) + " ms");

		}
		catch (SQLException se) {
			// Handle errors for JDBC
			se.printStackTrace();
		}
		catch (Exception e) {
			// Handle errors for Class.forName
			e.printStackTrace();
		}
		finally {
			// finally block used to close resources
			try {
				if (stmt != null)
					conn.close();
			}
			catch (SQLException se) {
			} // do nothing
			try {
				if (conn!=null)
					conn.close();
			}
			catch (SQLException se) {
				se.printStackTrace();
			} //end finally try
		} //end try
		System.out.println("Goodbye!");
	} // end main
} // end MySQL_Fetch