Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/entity/intro/AccountInterface.java


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package examples.entity.intro;

public interface AccountInterface {
    
    public void open(int accountNumber) ;
    
    public int getBalance();
    
    public void deposit(int amount) ;
    
    public int withdraw(int amount) ;
    
}