Access Modifiers in Java: Public, Protected, Default, and Private Explained
Access Modifiers in Java An access modifier in Java is a keyword used to control the visibility and accessibility of class members such as variables, methods, constructors, and classes. Access modifiers help achieve data security, encapsulation, and controlled access. ✅ Types of Access Modifiers in Java Java provides four types of access modifiers: public protected default (no keyword) private 🌍 Real-Life Analogy Think of a house: Public areas → Living room (everyone can access) Protected areas → Family room (relatives only) Default areas → Inside the house (family members) Private areas → Bedroom (only owner) 1. Public Access Modifier ✅ Definition If a class member is declared as public, it can be accessed: Within the same class Within the same package From a different package ✔ No restriction on access. public int data; public void show() {} 🌍 Real-Life Example Public Park – anyone can enter and use it. 2. Protected Access Modifier ✅ Definition If a class member is declared as prot...