Access Modifiers in Java | Explained with examples

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Understanding Access Modifiers

Imagine access modifiers as different types of doors in a house:

• Public Door: Everyone can enter
• Private Door: Only the homeowner can enter
• Protected Door: Family members and close friends can enter
• Default (Package-Private) Door: Only people in the same neighborhood can enter

1. Public Access Modifier 🌐

public class House {
    // Public method accessible from anywhere
    public void welcomeGuests() {
        System.out.println("Welcome to everyone!");
    }
}

• Accessible from any class in any package
• Provides the most open access
• Use when you want complete visibility

2. Private Access Modifier 🔐

public class BankAccount {
    // Private variable - cannot be accessed directly from outside
    private double balance;

    // Private method - only accessible within this class
    private void…