By:
On:
In: Add Oracle JDBC Driver to the Project, Exams of Oracle, Oracle Certifications
With: 0 Comments

FIGURE 6.19   Code for the getter() method and the Exit button Click event handler. A. The function of the getter() method is: as it is called, the current SelectionFrame object is obtained by returning the this component that is a pointer to the current Frame object. A point to be noted is that the access mode of this method must be public, since we want this method to be called by other objects to get the SelectionFrame object as the project runs.B. In the Exit button Click event handler, a try-catch block is used to check whether the database connection we created in the LogInFrameRead More →

By:
On:
In: Build a Java Class Library, Exams of Oracle, Oracle Certifications
With: 0 Comments

6.3.6   Develop the Code for the SelectionFrame Form The function of this frame form is to enable users to select a desired query form to perform the related query to the selected Table in our sample database if the login process is successful. Select the SelectionFrame class by clicking on it in the Projects window and open its code window, enter the codes shown in Figure 6.17 into this window. Let’s have a closer look at this piece of code to see how it works. A. The Java JDBC Driver package is imported first, since we need to use some classes located in that packageRead More →