package cn.foresee.thread;

/**
 * @Title: yoyogaosong
 * @Description:
 * @author: YOYO
 * @Date: 2018-12-06 上午 11:22
 * @Version: 1.0.0
 */
public class SaveThread extends Thread {

    //模擬使用者賬戶
    private Account account;
    //當前存錢執行緒希望存的錢數
    private double saveAccount;

    public SaveThread(String name, Account account, double saveAccount){
        super(name);
        this.account = account;
        this.saveAccount = saveAccount;
    }

    public void run() {
        synchronized (account) {
                System.out.println(getName() + " 存錢成功！存進鈔票："
                        + saveAccount+"  餘額為：" + account.getBalance());
                account.setBalance(account.getBalance() + saveAccount);
        }
    }
}

package cn.foresee.thread;

/**
 * @Title: yoyogaosong
 * @Description:
 * @author: YOYO
 * @Date: 2018-12-06 上午 10:13
 * @Version: 1.0.0
 */
public class DrawThread extends Thread {

    //模擬使用者賬戶
    private Account account ;
    //當前取錢執行緒希望取的錢數
    private  double drawAccount ;

    public  DrawThread(String name ,Account account ,double drawAccount){
        super(name);
        this.account = account;
        this.drawAccount = drawAccount;
    }

    public void run() {
        synchronized (account) {
            if (account.getBalance() >= drawAccount) {
                System.out.println(getName() + " 取錢成功！吐出鈔票：" + drawAccount+"  餘額為：" + account.getBalance());
                account.setBalance(account.getBalance() - drawAccount);
            } else {
                System.out.println(getName() + " 取錢失敗！餘額為："+account.getBalance());
            }
        }
    }

}

package cn.foresee.thread;

/**
 * @Title: yoyogaosong
 * @Description:
 * @author: YOYO
 * @Date: 2018-12-06 上午 10:11
 * @Version: 1.0.0
 */
public class Account {

    private String accountNo ;
    private double balance ;


    public Account(String accountNo, double balance) {
        this.accountNo = accountNo;
        this.balance = balance;
    }

    public String getAccountNo() {
        return accountNo;
    }

    public void setAccountNo(String accountNo) {
        this.accountNo = accountNo;
    }

    public double getBalance() {
        return balance;
    }

    public void setBalance(double balance) {
        this.balance = balance;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Account account = (Account) o;

        if (Double.compare(account.balance, balance) != 0) return false;
        return accountNo != null ? accountNo.equals(account.accountNo) : account.accountNo == null;
    }

    @Override
    public int hashCode() {
        int result;
        long temp;
        result = accountNo != null ? accountNo.hashCode() : 0;
        temp = Double.doubleToLongBits(balance);
        result = 31 * result + (int) (temp ^ (temp >>> 32));
        return result;
    }
}

package cn.foresee.thread;

public class Bank {

    public static void main(String[] args) {

        //卡號
        Account account = new Account("VIP88888888", 0);
        System.out.println("卡號: "+account.getAccountNo()+"  總資產: "+account.getBalance());
        DrawThread drawThread1 = new DrawThread("李四", account, 200);
        DrawThread drawThread2 = new DrawThread("王五", account, 400);
        SaveThread saveThread1 = new SaveThread("老高", account, 300);

        for (int i = 0; i < 5; i++) {
             new Thread(drawThread1).start();
             new Thread(drawThread2).start();
             new Thread(saveThread1).start();
        }
    }
}