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

public class DbManager {
	public Connection baglanti;
	
	public Connection baglan(){
		try {
			Class.forName("com.mysql.jdbc.Driver");
			baglanti=DriverManager.getConnection("jdbc:mysql://localhost:3306/dbadi","kullaniciadi","12345"");
		} catch (SQLException e) {
			System.out.println("SQLException hatasi..:"+e.getMessage());
		} catch (ClassNotFoundException e) {
			System.out.println("ClassNotFoundException hatasi..:"+e.getMessage());			
		}		
		return baglanti;
	}
}

Class.forName("com.mysql.jdbc.Driver");
Connection baglanti=DriverManager.getConnection("jdbc:mysql://localhost:3306/dbadi","kullaniciadi","12345"");

        String sql = "Select * from tablo";
        Statement st=con.createStatement();
        ResultSet rs = st.executeQuery(sql);
        while(rs.next())
        {
                System.out.println(rs.getString(1)); //şeklinde yazdırabilirsin.
         }
        baglanti.close();