Q12. Why do we need default constructor in Java classes?

What is default constructor
Default constructor is a constructor that is automatically provided by the Java compiler if a class does not define any constructors.

A default constructor has no parameters and performs default initialization
for the attributes of the class.

Why we need default constructor
initialize the attributes of the object with their default values
To create an object without specifying any arguments
To ensure that the object is in a consistent state before it is used
To make the class compatible with other classes that expect a default constructor
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