jsp11

web.xml(MVC설정)

<resource-ref>

 <res-ref-name>myboard/oracle</res-ref-name>

 <res-type>javax.sql.DataSource</res-type>

 </resource-ref>

JSP SigleTone Pattern

class T{

             private static T instance=new T();

             public static T getInstance(){

                           return instance;

             }                                     //singleTonePattern

                                                   //객체를 생성하고 가져다 쓰기만 하기위해서 만듦.

                                                   //따라서 객체생성을 하지못하게 아래와 같이 private으로 생성자를

                                                                                                                                       //만들어준다.

             private T(){}

}

public class aaa {

 

             public static void main(String[] args) {

                           T aa=T.getInstance();

                           System.out.print(aa.toString());  //동일한 객체정보를 갖고있다.

                           T bb=T.getInstance();

                           System.out.println(bb.toString());  //동일한 객체정보를 갖고있다.

            

             /*

              * T aa=new T();

              * S bb=new T();     //aa와 bb의 정보가 다름.

              * */

             }

 

}

오늘의 자료

jsp11.zip