Annotations in Java are metadata that provide information about the program but do not change its behavior. They can be used for compilation checks, runtime processing, or documentation generation. References: 1. @Override 2. @Deprecated /[ˈdep.rə.keɪt]/ Can be used on a field, method, constructor or class and indicates that this element it outdated and should not be used anymore.
See plus plus :) . Refer 1. Introduction C++ was developed as an extension to C. It adds man few features to the C language, and tis perhaps best through of as a superset of C. Step 1: Define the problem that you would like to solve I want to write a program that will … Step 2: Determine how you are going to solve the problem Determine how we are going to solve the problem you came up with in step 1....
Explain how to use the OSGi Service Refer1 Refer2 Refer3 1. Introduction OSGi Services are essentially Java objects that provide a specific functionality or interface, and other components,plugins can dynamically discover and use these services. Multiple plugins can provide a service implementation for the service interface. Plugins can access the service implementation via the service interface. E.g. When you want to create modular that can be added or removed at runtime, you can use the OSGi service....
Explain how to use the Extension Point and Extensions. Refer1 Refer2 Refer3 1. Introduction Extensions are the central mechanism for contribute behavior to the platform. We used it to contribute functionality to a certain type of API. Extension points define new functions points for the platform that other plug-ins can plug into. E.g. When you want to create modular that can be added or removed at runtime, you can use the OSGi service....