面向对象的homework

public class Homework {
public static void main(String[] args) {
Account a=new Account(“1000”,2000.0,1.23);
Customer c=new Customer(“Jane Smith”,a);
//对史密斯操作，存入一百元，再取出960元，再取出2000元
c.getAct().deposit(100);
c.getAct().withdraw(960);
c.getAct().withdraw(2000);
}
}
class Customer{
private String name;
private Account act;
public Customer(){

}
public Customer(String name,Account act){
    this.name=name;
    this.act=act;
}
public void setName(String name){
    this.name=name;
}
public String getName(){
    return name;
}
public void setAct(Account act){
    this.act=act;
}
public Account getAct(){
    return act;
}

}
class Account{
private String id;
private double balance;
private double liXi;
//无参数构造方法
public Account(){

}
//有参数构造方法
public Account(String id,double balance,double liXi){
    this.id=id;
    this.balance=balance;
    this.liXi=liXi;
}
public void setId(String id){
    this.id=id;
}
public String getID(){
    return id;
}
public void setBalance(double balance){
    this.balance=balance;
}
public double getBalance(){
    return balance;
}
public void setLiXi(double liXi){
    this.liXi=liXi;
}
public double getLiXi(){
    return liXi;
}
//取款方法
//参数表示要取多少钱
public void withdraw(double money){
    if(money>this.getBalance()){
        System.out.println("余额不足，取钱失败");
        return;
    }
    this.setBalance(this.getBalance()-money);
    System.out.println("成功取出"+money);
}
//存款方法
//参数表示要存多少钱
public void deposit(double money){
    this.setBalance(this.getBalance()+money);
    System.out.println("成功存入"+money);
}

}