dshukman/DZ_AI | Gitverse

Account.java

24 строки495 B

dshukman

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19 фев 2025, 03:22

19 фев 2025, 03:221ae5399

package accounts;

public abstract class Account {
    protected long balance;


    public abstract boolean add(long amount);

    public abstract boolean pay(long amount);

    public boolean transfer(Account account, long amount) {
        if (pay(amount)) {
            if (account.add(amount)) {
                return true;
            }
            add(amount);
        }
        return false;
    }

    public long getBalance() {
        return balance;
    }
}