What is the benefit of interfaces? why not just instanciate objects of a class directly?

Q: Explore scenarios where method overriding is used in design patterns, such as the Template Method or…

A: The Template Method and Strategy patterns use method overriding to provide software development…

Q: This means that there are benefits and downsides to both class adapters and object adapters. What is…

A: Explanation: The main difference is that Class Adapter can only encapsulate a class and uses…

Q: 4. What was the purpose of the @Override annotation in Java?

A: As per our guidelines we are supposed to answer only one question. Kindly repost the remaining…

Q: Identical-sounding variables that have been declared in a superclass and variables that have been…

A: Yes, they are treated as different variables.

Q: Create at least one post about an interface of an interactive system that you have found challenging…

A: Below i have answered:

Q: A new class of objects can be created conveniently by —----------the new class (called the subclass)…

A: Inheritance

Q: In what ways do interfaces benefit the user? Instead than using class objects, why not create them…

A: Answer the above question are as follows

Q: Discuss the potential issues and pitfalls that can arise when overriding methods in a class…

A: Method overriding is a fundamental concept in object-oriented programming (OOP), where a subclass…

Q: In Java a class is allowed to inherit from as many superclasses as needed. True False

A: Stating given statement is true/false with explanation. Given statement : In Java a class is allowed…

Q: Question 15 A class can inherit from just one base class, but it can implement multiple interfaces…

A: Here is your solution -

Q: What is the purpose of the “private” part of an object interface? Why can’t it be hidden completely?

A: What is the purpose of the “private” part of an object interface? Why can’t it be hidden completely?

Q: in c# Part 1: Use UML class diagrams to model your inventory item class. Part 2: Implement the…

A: Answer :  question was incomplete and i attempting the answer with experience on subject knowledge…

Q: We would like to design a software system so that ...        we can easily add new functionality…

A: In this question correct option needs to be chosen out of given options related to the design of the…

Q: 4. Abstract classes and interfaces can both be used to specify common behavior of objects. How do…

A: Abstract class  It is a class that is declared as abstract —it may or might not include abstract…

Q: Multiple inheritance is not supported in Java (extending multiple superclasses into one subclass).…

A: This is done in order to avoid misunderstanding

Q: 1. Abstract classes and interfaces can both be used to model common features. How do you decide…

A: (1) You should use an interface if you want to specify a set of methods that must be implemented by…

Q: Answer the two questions on the images

A: Inheritance: In Java, inheritance is a mechanism that allows a class to inherit properties and…

Q: Why would you want to use different interfaces? Why not just make objects of a class and work with…

A: Using different interfaces in software development provides benefits such as abstraction,…

Q: Design a JAVA program for CREDITCARD to maintain the user services. Make CREDITCARD as interface.…

A: The answer is

Q: What are some of the drawbacks of utilising inner classes?

A: Inner class or nested class Inner class is a class defined inside other class and act like a member…

Q: Name two types of methods that can only be added to an interface using Java 8 or later, as well as…

A: Introduction: In Java, an interface is comparable to a class, but it only includes abstract methods…

Q: Describe the difference between a Java Class and a Java Interface.  Describe exactly what an…

A: 1. A class can be instantiated but an interface can never instantiated. 2. Class keyword use to…

Q: What are the risks associated with inheritance in classes? Why are generic classes both useful and…

A: Given  To know drawbacks and benefits of inheritance in classes.

Q: When an interface is implemented, why are all of its methods need to be implemented at the same…

A: When working with interfaces in programming, it is important to understand the concept of…