线程练习

public class LianxiTest {
    public static void main(String[] args) {
        Accoun accoun = new Accoun(0);
        BankL bankL1 = new BankL(accoun);
        BankL bankL2 = new BankL(accoun);
        bankL1.start();
        bankL2.start();
    }
}


class BankL extends  Thread{

    private  Accoun accoun;

    public  BankL(Accoun accoun){
        this.accoun = accoun;
    }

    @Override
    public void run() {
        for(int i = 0; i < 3; i++){
            accoun.deposit(1000);
        }
    }
}

class Accoun{

    private double balance;

    public  Accoun(double balance){
        this.balance = balance;
    }

    public   synchronized  void deposit(double amt){
        if( amt > 0){
            balance += amt;
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName()+":  存了钱 余额为: "+balance);
        }
    }
}