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Violación 3-LSP: Subclases internas en BankingAccount.java sin contrato claro #21

Description

@gabygomm

Solución propuesta:
Crear una interfaz Transaction e implementarla en cada clase de transacción.

Código propuesto:

public interface Transaction { int getBalance(); }
public class Debit implements Transaction { /*...*/ }
public class Credit implements Transaction { /*...*/ }

UML propuesto:

classDiagram
    class Transaction { <<interface>> +getBalance() }
    class Debit { +getBalance() }
    class Credit { +getBalance() }
    Transaction <|.. Debit
    Transaction <|.. Credit
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Gómez S.

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