What is OOPs? Object-Oriented Programming is a methodology or paradigm for designing a program using classes and objects.  Many concepts, such…

A method is a block of code, a group of statements, or a set of code that performs a specific…

Let us take a look at various other constructors in Java. Copy constructor: A copy constructor is a type of constructor in Java…

Modifiers in Java are divided into two categories: access modifiers and non-access modifiers. The accessibility or scope of a field,…

In Java, inheritance is a mechanism by which one object inherits all of its parent’s properties and behaviors. It is…

Association: Association is a relation between two separate classes which establishes through their Objects. One-to-one, one-to-many, many-to-one, and many-to-many associations…

Method Overloading in Java: Method Overloading occurs when a class has multiple methods with the same name but different parameters….

In Java, method overriding occurs when a subclass (child class) has the same method as the parent class. Overriding is…

Polymorphism: Polymorphism is a Java concept that allows us to perform a single action in multiple ways. Polymorphism is made…

In Java, the final keyword is used to restrict the user. The final keyword in Java can be used in…

The instanceof operator is used to determine whether or not a reference variable contains a specific type of object reference….

In Java, an abstract class is specified with the abstract keyword. Both abstract and non-abstract methods can be used (method…