线程不安全案例

public class testThread implements Runnable{
private int hcp = 10;
@Override
public void run() {
while (true){
if(hcp<=0){
break;
}
try {
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(Thread.currentThread().getName()+”—》拿到了第”+hcp—+”张火车票”);
}

}
public static void main(String [] args){<br />        testThread hc=new testThread();<br />        new Thread(hc,"小民").start();<br />        new Thread(hc,"小李").start();<br />        new Thread(hc,"小张").start();
}

}

//模拟取钱线程不安全
public class Account {
int account;
String name;

public Account(int account, String name) {<br />        this.account = account;<br />        this.name = name;<br />    }<br />}<br />//模拟扣钱<br />class Drawing implements Runnable{

private Account account;<br />    private int je;<br />    private String name;<br />    private int man;

public Drawing(Account account, int je,String name) {<br />        this.account = account;<br />        this.je = je;<br />        this.name=name;<br />    }

public void run() {

        kq();

}

public void kq(){

    while (true) {<br />            if (account.account - je < 0) {<br />                System._out_.println("s钱不够扣了"+account.account);<br />                return;<br />            }<br />            try {<br />                Thread._sleep_(1000);<br />            } catch (InterruptedException e) {<br />                e.printStackTrace();<br />            }<br />            man=je+man;<br />            account.account = account.account - je;<br />            System._out_.println(account.name + "余额为" + account.account);<br />            System._out_.println(name + "手里余额为" + man);

    }<br />    }

}

class zxl{
public static void main(String [] args){
Account account=new Account(1000,”银行”);
Drawing drawing=new Drawing(account,700,”我”);
Drawing drawing1=new Drawing(account,327,”老婆”);
Thread thread=new Thread(drawing);
Thread thread1=new Thread(drawing1);
thread.start();
thread1.start();

}<br />}