1.What is Overloading, Overriding, different types of Comstructors . Why do we need it?

Question

Accepted Answer

Overloading is when multiple methods have the same name but different parameters. Overriding is when a subclass provides a different implementation of a method from its superclass. Constructors are special methods used to initialize objects.

Overloading allows us to have multiple methods with the same name but different parameters, providing flexibility and code reusability.
Overriding allows a subclass to provide its own implementation of a method inherited from its superclass, enabling polymorphism.
Constructors are special methods used to create and initialize objects. They can be overloaded to provide different ways of initializing objects.
Overloading example: public void print(int num) and public void print(String str)
Overriding example: public class Animal { public void makeSound() { System.out.println('Animal sound'); } } public class Dog extends Animal { public void makeSound() { System.out.println('Bark'); } }
Constructor example: public class Person { private String name; public Person(String name) { this.name = name; } }

Accepted Answer

The constructor overloading can be defined as the concept of having more than one constructor with different parameters so that every constructor can perform a different task. Consider the following Java program, in which we have used different constructors in the class

1.What is Overloading, Overriding, different types of Comstructors . Why do we need it?

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