connection.java

package databaseProcesses;

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

public class DatabaseConnector {
	
	public Connection connection = null;

	/* constructor */
	public DatabaseConnector() {
		String url = "jdbc:mysql://localhost:3306/databaseAdim?useUnicode=true&characterEncoding=utf8";
		
		try {	// loads driver
			 Class.forName("org.mariadb.jdbc.Driver");
			 System.out.println("Driver is loaded.");
		} catch (ClassNotFoundException ex) {
			System.out.println("Driver is not found.");
		}
		
		try {	// makes connection
			connection = DriverManager.getConnection(url, "root", "password");
			System.out.println("Connection is successful.");
		} catch (SQLException ex) {
			System.out.println("Connection is failed.");
		}
	}

	/* getter */
	public Connection getConnection() {
		return this.connection;
	}
}

Example:
https://github.com/boratanrikulu/get_tickets/blob/master/Cinema/src/cinema/DatabaseProcesses/DatabaseConnector.java

jdbc:sqlserver://[serverName[\instanceName][:portNumber]][;property=value[;property=value]]