[JAVA Concurrent Programming Practice] Lock Sequence Deadlock

package cn.study.concurrency.ch10;

public class Account {
    private String staffAccount;    //账号
    private String passWord;    //密码
    private int balance; //账户余额
    
    public Account(int money) {
        this.balance = money;
    }
    
    public String getStaffAccount() {
        return staffAccount;
    }
    public void setStaffAccount(String staffAccount) {
        this.staffAccount = staffAccount;
    }
    public String getPassWord() {
        return passWord;
    }
    public void setPassWord(String passWord) {
        this.passWord = passWord;
    }
    
    public void debit(int amount)
    {
        System.out.println("转出账户：" + amount);
    }
    
    public void credit(int amount)
    {
        System.out.println("转入账户：" + amount);
    }
    public int getBalance() {
        return balance;
    }
    public void setBalance(int balance) {
        this.balance = balance;
    }
    
}