private double money=0L ;
public void addMoney(double money){
this.money=this.money+ money;
System.out.println("余额"+this.money);
}
public void outMoney(double money){
if(money>this.money){
System.out.println("余额不足!");
}else{
this.money=this.money- money;
System.out.println("取出"+money+"元,余额"+this.money);
}
}
public void getMoney(){
System.out.println("余额"+this.money);
}