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4 days ago · Coupling refers to how much one part of a system relies on another, with lower coupling being better for flexibility. Cohesion is about how closely related and focused the responsibilities of a single module are, with higher cohesion being better for clarity and functionality.
2 days ago · In Java, Inheritance means creating new classes based on existing ones. A class that inherits from another class can reuse the methods and fields of that class. In addition, you can add new fields and methods to your current class as well. Why Do We Need Java Inheritance?
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2 days ago · A constructor in Java is a special method that is used to initialize objects. The constructor is called when an object of a class is created. It can be used to set initial values for object attributes. What are Constructors in Java? In Java, a Constructor is a block of codes similar to the method.
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2 days ago · What Is A Constructor? A constructor is basically a method that is automatically called when an object (instance) is created of that class. It is used to initialize an object’s data members. public class Edureka { Edureka () { System.out.println ("constructor is made");} } Some features of constructor include: It has the same name as the class name
3 days ago · Example 1: Code: // here we declare vehicle as a parent class. class Vehicle { // here we create a method as vehicle has engine. // but changing the output as vehicle engine. void engine () { System.out.println ("this is vehicle engine"); } // here we declare child class. // bike is based on vehicle category so its a child class.
1 day ago · Encapsulation in Java. There are three main features of the OOPs concept: Encapsulation. Inheritance. Polymorphism. 1. Encapsulation. Wrapping up data and methods into a single unit is known as encapsulation. It provides the security that keeps data and methods safe from unwanted changes.
3 days ago · </plugin> </plugins> </build> </project> Copy. Let’s take a closer look at these constructs. 3.1. Project Identifiers. Maven uses a set of identifiers, also called coordinates, to uniquely identify a project and specify how the project artifact should be packaged: groupId – a unique base name of the company or group that created the project.
