Oracle Certification and Exams

The Java Bean–JSF Page Relationship and Page Navigation 2 – Develop Java Web Applications to Access Databases

23/08/202423/12/2021 by Stephanie Gilbert

A detailed explanation of the code shown in Figure 8.31 follows: A. Our Java managed bean LogInBean is defined using the tag. B. The full class name, including the package name and the bean class name, is defined by the tag. C. The scope of this Java bean is defined by using the tag. FIGURE … Read moreThe Java Bean–JSF Page Relationship and Page Navigation 2 – Develop Java Web Applications to Access Databases

The Java Bean–JSF Page Relationship and Page Navigation – Develop Java Web Applications to Access Databases

23/08/202412/12/2021 by Stephanie Gilbert

8.1.6.5.1 The Java Bean–JSF Page Relationship and Page Navigation Table 8.1 lists all data access methods and action methods used in this example. A Java bean can be connected to a JSF page by using the value attribute of a UI component represented by a JSF tag in that page. That is, a property or … Read moreThe Java Bean–JSF Page Relationship and Page Navigation – Develop Java Web Applications to Access Databases

The Detailed Code for the Java Bean Class – Develop Java Web Applications to Access Databases

23/08/202423/10/2021 by Stephanie Gilbert

8.1.6.5.2 The Detailed Code for the Java Bean ClassThe code for the Java bean class LogInBean.java is shown in Figure 8.33. The functionality of each part of the code is illustrated in the following. A. Two properties, userName and passWord, are defined first, and these two properties must be identical to the id attributes defined … Read moreThe Detailed Code for the Java Bean Class – Develop Java Web Applications to Access Databases

JAVA EE WEB APPLICATION MODEL – Develop Java Web Applications to Access Databases

23/08/202409/08/2021 by Stephanie Gilbert

8.2 JAVA EE WEB APPLICATION MODEL The Java EE application model begins with the Java programming language and the Java virtual machine. The proven portability, security and developer productivity they provide form the basis of the application model. Java EE is designed to support applications that implement enterprise services for customers, employees, suppliers, partners and … Read moreJAVA EE WEB APPLICATION MODEL – Develop Java Web Applications to Access Databases

Java EE Web Applications with and without EJB – Develop Java Web Applications to Access Databases

23/08/202415/06/2021 by Stephanie Gilbert

8.2.1 Java EE Web Applications with and without EJB Most Java Web applications can be divided into three tiers: a client tier composed of client machines, Web tier consisting of Java EE Server and Enterprise Information System (EIS) tier made of the database server. Java Enterprise Java Beans also works as a business tier attached … Read moreJava EE Web Applications with and without EJB – Develop Java Web Applications to Access Databases

THE ARCHITECTURE AND COMPONENTS OF JAVA WEB APPLICATIONS – Develop Java Web Applications to Access Databases

23/08/202423/05/2021 by Stephanie Gilbert

8.3 THE ARCHITECTURE AND COMPONENTS OF JAVA WEB APPLICATIONS A Web application is a dynamic extension of a web or application server. There are two types of Web applications: On the Java EE platform, Web components provide the dynamic extension capabilities for a Web server. Web components can be either Java Servlets, Web pages, Web … Read moreTHE ARCHITECTURE AND COMPONENTS OF JAVA WEB APPLICATIONS – Develop Java Web Applications to Access Databases

Java EE 8 APIs – Develop Java Web Applications to Access Databases

23/08/202412/03/2021 by Stephanie Gilbert

8.3.2 Java EE 8 APIs In this section, we will give a brief summary of the most popular technologies required by the Java EE platform and the APIs used in Java EE applications. FIGURE 8.37 Java EE server and containers. 8.3.2.1 Enterprise Java Beans API Technology An Enterprise Java Beans component, or enterprise bean, is … Read moreJava EE 8 APIs – Develop Java Web Applications to Access Databases

JavaServer Pages API Technology – Develop Java Web Applications to Access Databases

23/08/202411/01/2021 by Stephanie Gilbert

8.3.2.3 JavaServer Pages API Technology JavaServer Pages is Java technology that helps software developers serve dynamically generated web pages based on HTML, XML or other document types. Released in 1999 as Sun’s answer to ASP and PHP, JSP was designed to address the perception that the Java programming environment didn’t provide developers with enough support … Read moreJavaServer Pages API Technology – Develop Java Web Applications to Access Databases