Java tips

Language Lap trinh JAVA Java is the language programming direction objects (as C + +) do Sun Microsystem output to the first hex niên 90 the ky 20. Program Việt using Java can be running on any hệ system that have installed your virtual Java (JVM - Java Virtual Machine). Máy virtual Java (JVM - Java Virtual Machine): One programs write by Java will be compile ra mã of the virtual Java (mã java bytecode)

53p nguyenvanhabk1 04-09-2012 83 6   Download

Describe the necessity and the advantage of the framework Develop the Web application by using the framework. Struts: The Apache Software Foundation JSF (JavaServer Faces): The Java Community Process(JCP) Webcoordinator: FUJITSU Ltd.Framework to develop the Web app. by using Servlet and JSP. Starts according to the request from a client Offers the mechanism to process request, storage of data, screen transition control, etc. Defines screen transition information in XML file (strutsconfig. xml)...

66p nguyenvanhabk1 04-09-2012 104 19   Download

Direct start from Web browser: input directly URL of JSP page into Web browser http://servername:8080/JSP/HelloWorld.jsp Start by “Action” attribute of Form tag Start when you push the summitting button on form Start from JSP (or Servlet) : Start by being specified with other JSP files

56p nguyenvanhabk1 04-09-2012 121 15   Download

provide request information for HTTP servlets. The servlet container creates an HttpServletRequest object and passes it as an argument to the servlet's service methods (doGet, doPost, etc).Client request information including : parameter name and values, and an input stream Attributes : custom information about a request. Extends the ServletRequest interface Returns the value of attribute : public Object getAttribute(String name)

36p nguyenvanhabk1 04-09-2012 104 7   Download

The servlet is constructed, then initialized with the init method. Any calls from clients to the service method are handled. The servlet is taken out of service, then destroyed with the destroy method, then garbage collected and finalized.GenericServlet implements the Servlet and ServletConfig interfaces. It provides simple versions of the lifecycle methods init and destroy and of the methods in the ServletConfig interface.

49p nguyenvanhabk1 04-09-2012 88 9   Download

‘java.sql’ and ‘javax.sql’ package SQL Interfaces for application JDBC Driver Manager manage two or more JDBC drivers ‘DriverManager’ class in the java.sql package. JDBC Driver API defined for connecting between the JDBC driver manager and JDBC drivers JDBC Driver access each database 4 types : JDBCODBC bridge Native API partly – Java technologybased driver Netprotocol all Java technologybased driver

38p nguyenvanhabk1 04-09-2012 105 11   Download

Add transmission information to URL. There is a limitation in the length of the transmission character string. Example: http://localhost:8080/examples/hello? NAME=Billy POST There is not a limitation in the length of the transmission character string. It is possible to transmit only by tag.It has the execution environment such as Web containers

45p nguyenvanhabk1 04-09-2012 82 6   Download

At the end of the lesson, the student should be able to: Describe the features of Java technology Describe the different phases of a Java program. Java was created in 1991 by James Gosling et al. of Sun Microsystems. Initially called Oak, in honor of the tree outside Gosling's window, its name was changed to Java because there was already a language called Oak.

29p nguyenvanhabk1 04-09-2012 81 7   Download

Tôi là một người mới bắt đầu trong java. Ngay bây giờ tôi đang làm một applet và tôi muốn viết tin nhắn vào cửa sổ trình duyệt cho mục đích gỡ lỗi tức là theo applet thực hiện như thế nào. Giống như khi tôi đang phát triển một C + + ứng dụng thường sử dụng rất nhiều "couts" để kiểm tra giá trị và chương trình hành vi.

203p fanhuy 06-11-2011 79 19   Download

The code is shown below is simplest that you can imagine and does very unusual thing! It is slightly bigger than "Hello World!" program but does much more. It lists all files in the current directory if you run it like this:

203p giangtanthon 10-02-2010 102 21   Download

Enterprise JavaBeans (EJB) is a managed, server-side component architecture for modular construction of enterprise applications. The EJB specification is one of several Java APIs in the Java EE specification. EJB is a server-side model that encapsulates the business logic of an application.The EJB specification intends to provide a standard way to implement the back-end 'business' code typically found in enterprise applications (as opposed to 'front-end' interface code).

33p hnim_hnaht 23-11-2009 447 138   Download