Implement a real-world scenario to demonstrate the concept of encapsulation by designing a simple banking system in Java. Create a class for bank accounts that includes private attributes such as accountNumber, accountHolder, and balance. Use public methods for accessing these attributes, such as getAccountNumber(), getAccountHolder(), and getBalance(). Implement transaction methods like deposit(double amount) and withdraw(double amount) to safely update the account balance. Ensure that all attributes are private and only accessible through the provided methods to enforce encapsulation. Finally, demonstrate your program with various transactions, showcasing the use of encapsulation to protect and manage account data effectively.
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