/**
* 账户类
*/
class Account{
//账号
private String accountNo;
//账户的余额
private double balance;
public Account() {
}
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;
}
}
/**
* 取款线程
*/
class DrawThread implements Runnable{
//账户对象
private Account account;
//取款金额
private double drawMoney;
public DrawThread(Account account,double drawMoney){
this.account = account;
this.drawMoney = drawMoney;
}
/**
* 取款线程
*/
@Override
public void run() {
//判断当前账户余额是否大于或等于取款金额
if(this.account.getBalance() >= this.drawMoney){
System.out.println(Thread.currentThread().getName()+" 取钱成功！吐出钞票："+this.drawMoney);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
//更新账户余额
this.account.setBalance(this.account.getBalance()- this.drawMoney);
System.out.println("\t 余额为："+this.account.getBalance());
}else{
System.out.println(Thread.currentThread().getName()+" 取钱失败，余额不足");
}
}
}
public class TestDrawMoneyThread {
public static void main(String[] args) {
Account account = new Account("1234",1000);
new Thread(new DrawThread(account,800),"老公").start();
new Thread(new DrawThread(account,800),"老婆").start();
}
}
添加Get 方法是什么作用呢
老师您好，我遇到的问题是，客户端向服务端发送消息后，服务端可以收到，但是服务端向客户端发送消息后，客户端却收不到。问题定位到了是循环体中的if语句，我把if语句都注释掉就可以了，请问老师这里的if语句为什么会影响客户端接收服务端口的消息呢，if的条件不满足的话不是直接就跳过了吗？应该不受影响的啊
老师您好，一个域名不是唯一对应的一个IP地址吗，为什么我显示百度域名的IP地址和视频里面的不一样呢
老师大概是没有错，用
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