Question.1 What is J2EE? Answer: J2EE is an environment for developing and deploying enterprise applications. The J2EE platform consists of a set of services, application programming interfaces (APIs), and protocols that provide the functionality for developing multitier, web-based applications. Question.2 What is the J2EE module? Answer: A J2EE module consists..
Question.1 What is the purpose of garbage collection in Java, and when is it used? Answer: The purpose of garbage collection is to identify and discard objects that are no longer needed by a program so that their resources can be reclaimed and reused. A Java object is subject to..
Question.1 What is the Java API? Answer: The Java API is a large collection of ready-made software components that provide many useful capabilities, such as graphical user interface (GUI) widgets. Question.2 Describe the principles of OOPS? Answer: There are three main principals of oops which are called Polymorphism, Inheritance and..