Let’s compare two methods of getting all the keys and values from our map. 2.1. UsingMap.keySet First, consider the following: Here, the loop iterates overkeySet. For each key, we get the corresponding value usingMap.get. While this is an obvious way to use all of the entries in th...
The other is collection refactoring that allows the programmer to use a thread-safe and highly scalable implementation of the corre- sponding collection class instead of the sequential implementation in the Java class library. This replaces sequential collection classes in the java.util (j.u.) ...
If you used the Microsoft SDK for Java to already generate classes for ADO, they will be replaced with those from the Java Type Library Wizard. To use these files, open your project in Visual J++. From the Project menu, choose Add To Project. Select Files, and add all of th...
Unfortunately, no method in the Java API allows us to get only thepublicandprotectedfields from a class and its superclasses. TheClass::getFields()method approaches our goal by returning allpublicfields of a class and its superclasses, but not theprotectedones. Therefore, we must use the .g...
If you are using interceptor classes, use the javax.interceptor.Interceptors annotation to declare one or more interceptors at the class or method level of the target class. The following code declares interceptors at the class level: @Stateless @Interceptors({PrimaryInterceptor.class, SecondaryIntercep...
Integrating Java DB With NetBeans IDE 5.0 Most IDEs provide a way to add libraries to the development classpath. Follow these instructions to add the Java DB libraries to NetBeans IDE 5.0: From the Tools menu, select Library Manager.
The tags defined by the JavaServer Faces standard HTML tag library represent HTML form components and other basic HTML elements. These components display data or accept data from the user. This data is collected as part of a form and is submitted to the server, usually when the user clicks ...
In order to access Microsoft Agent from a Java applet, you must generate Java classes that you install with the applet. You can use the Visual J++ Java Type Library Wizard, for example, to generate these files. If you plan to host the applet on a webpage, you will need to build a ...
The individual parameters or data elements of a ABAP Dictionary data type are declared as attributes of the generated Java classes. The SAP Enterprise Connector brings all the generated type classes and the Java Proxy together in one or two packages (you specify the name of the first package ...
When you program an applicaton using the Web Dynpro tools, the system generates a platform-independent meta model. From this meta model, the system then creates the Java classes which are executed at runtime on the J2EE Engine in the SAP Web Application Server. For more complex applications,...