package in.bench.resources.mysql.db.example;

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

public class GetSingleRecordUsingJDBCPreparedStatement {

	public static void main(String[] args) {

		// variables
		Connection connection = null;
		PreparedStatement preparedStatement = null;
		ResultSet resultSet = null;

		// Step 1: Loading or registering MySQL JDBC driver class
		try {
			Class.forName("com.mysql.jdbc.Driver");
		}
		catch(ClassNotFoundException cnfex) {
			System.out.println("Problem in loading MySQL JDBC driver");
			cnfex.printStackTrace();
		}

		// Step 2: Opening database connection
		try {

			// Step 2.A: Create and get connection using DriverManager
			connection = DriverManager.getConnection(
        "jdbc:mysql://localhost:3306/PLAYER_INFO", "root", "root@123"); 

			// create SQL query to fetch particular record
			String sqlSelectQuery =
                           "SELECT * FROM PLAYER WHERE PLAYER_ID = ?";

			// Step 2.B: Creating JDBC Statement
		preparedStatement = connection.prepareStatement(sqlSelectQuery);

			// set values for PreparedStatement for respective ?
			preparedStatement.setInt(1, 7); // PLAYER_ID

			// Step 2.C: Executing SQL & retrieve data into ResultSet
			resultSet = preparedStatement.executeQuery();

			System.out.println("ID\tName\t\t\tAge\tMatches");
			System.out.println("==\t================\t===\t=======");

			// processing returned data and printing into console
			while(resultSet.next()) {
				System.out.println(resultSet.getInt(1) + "\t" +
						resultSet.getString(2) + "\t" +
						resultSet.getInt(3) + "\t" +
						resultSet.getInt(4));
			}
		}
		catch(SQLException sqlex){
			sqlex.printStackTrace();
		}
		finally {

			// Step 3: Closing database connection
			try {
				if(null != connection) {

					// cleanup resources, once after processing
					resultSet.close();
					preparedStatement.close();

					// and then finally close connection
					connection.close();
				}
			}
			catch (SQLException sqlex) {
				sqlex.printStackTrace();
			}
		}
	}
}

ID	Name			Age	Matches
==	================	===	=======
7	Mahela Jayawardene	37	145