Urgente: Estou fazendo certo? O que precisa?

package recorte.banco.com;

import java.sql.*;


public class Conector {
	
	private static Connection con;

	private static Statement stm;

	public static Statement reservaStatement() {
		
		if (con == null) {
			try {
				
				Class.forName("com.mysql.jdbc.Driver");
				System.out.println("aqui");
				con = DriverManager.getConnection("jdbc:mysql://localhost/cliente",
						"root", "mandacaru");
				System.out.println("acabou o try");
				
			} catch (ClassNotFoundException e) {
				e.printStackTrace();
			} catch (SQLException e) {
				e.printStackTrace();
			}

		}
		try {
			stm = con.createStatement();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return stm;

	}

	public static void liberaStatement() {
		if (stm != null) {
			try {
				stm.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
	}

	public static void liberaRecursos() {
		try {
			if (stm != null) {
				stm.close();
			}
			if (con != null) {
				con.close();
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}