小编hig*_*ggs的帖子

class BankAccount {
    private String firstname;
    private String lastname;
    private int ssn;
    private int accountnumber = 0;
    private double accountbalance = 0.0;

    BankAccount() {
        firstname = "John Smith";
    }

    BankAccount(String firstname, String lastname, int ssn) {
        int accountnumber;
        double accountbalance;
    }

    public String getName() {
        return firstname;
    }

    public double getBalance() {
        return accountbalance;
    }

    public void setAccountNumber(int accountnumber) {
        return accountnumber;
    }

    public boolean equals(BankAccount ba) {
        return this.accountbalance == ba.accountbalance;
    }

    public void deposit(double amount) {
        return this.accountbalance …