铜陵市网站建设_网站建设公司_AJAX_seo优化

package testthread3;

public class testwork7next4 {

public static void main(String[] args) throws InterruptedException {

Account account = new Account("张三",200);

System.out.println("初始账户信息：" + account);

Thread1 thread1 = new Thread1(account,100);

Thread2 thread2 = new Thread2(account,50);

thread1.start();

thread2.start();

thread1.join();

thread2.join();

System.out.println("最终账户信息：" + account);

System.out.println("最终账户余额应为250元：" + account.getBalance());

}

}

class Account {

private String username;

private double balance;

public Account(String username, double balance) {

this.username = username;

this.balance = balance;

}

public synchronized void cunkuan (double amount){

if (amount>0){

balance += amount;

System.out.println("存款后余额："+balance);

}

}

public synchronized void qukuan (double amount){

if (amount > 0 && amount<= balance){

balance -= amount;

System.out.println("取款后余额："+ balance);

}else if(amount > balance){

System.out.println("取款是白！余额不足");

}

}

public String getUsername() {

return username;

}

public void setUsername(String username) {

this.username = username;

}

public double getBalance() {

return balance;

}

public void setBalance(double balance) {

this.balance = balance;

}

@Override

public String toString() {

return "Account{" +

"username='" + username + '\'' +

", balance=" + balance +

'}';

}

}

class Thread1 extends Thread{ //存款线程

private Account account;

private double amount;

public Thread1(Account account,double amount){

super("存款线程1");

this.account = account;

this.amount = amount;

}

public void run(){

account.cunkuan(amount);

System.out.println("操作完成");

}

}

class Thread2 extends Thread { // 取款线程

private Account account;

private double amount;

public Thread2(Account account, double amount) {

super("取款线程B");

this.account = account;

this.amount = amount;

}

public void run() {

System.out.println(getName() + " 开始操作...");

account.qukuan(amount);

System.out.println(getName() + " 操作完成");

}

}