System design question import java.util.*; public class EgenAi { static class Account { private String timestamp; private String accountId; private Long balance; private Long totalTransactions; Account(String timestamp, String accountId, Long balance, Long totalTransactions) { this.timestamp = timestamp; this.accountId = accountId; this.balance = balance; this.totalTransactions = totalTransactions; } public void setBalance(Long amount) { this.balance = amount; } public void...
