Java Constructors Demystified: What Happens Before Your Object Exists?

The article explains the basics of Java constructors and their role in object initialization.

It shows how constructors are called automatically when using the `new` keyword, using a SuperMarket example.

The brief covers constructor rules, default values, parameters, and how fields are assigned during object creation.

It also highlights why constructors matter for safer, cleaner class design and fewer initialization mistakes.