package Cun;
public class Account {
int id;
double balance;
double yearRate;
public Account(int id, double balance, double yearRate) {
super();
this.id = id;
this.balance = balance;
this.yearRate = yearRate;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public double getBalance() {
return balance;
}
public void setBalance(double balance) {
this.balance = balance;
}
public double getYearRate() {
return yearRate;
}
public void setYearRate(double yearRate) {
this.yearRate = yearRate;
}
//存款
public void deposit(double d){
balance+=d;
System.out.println("存款成功");
System.out.println("余额"+balance);
}
public void withdraw(double d){
if(this.balance<d){
System.out.println("余额不足，取款失败");
}else{
this.balance-=d;
System.out.println("取款成功");
System.out.println("余额"+balance);
}
}
}
package Cun;
public class Check extends Account{
double overdraft;
public Check(int id, double balance, double yearRate,double overdraft) {
super(id, balance, yearRate);
this.overdraft=overdraft;
}
@Override
public void withdraw(double d) {
if(super.getBalance()>=d){
super.withdraw(d);
}else {
if(d<=super.getBalance()+this.overdraft){
this.overdraft=this.overdraft-(d-getBalance());
super.setBalance(0);
System.out.println("取款成功:");
System.out.println("余额："+super.getBalance());
System.out.println("可透支额度："+this.overdraft);
}
else{
System.out.println("余额不足");
}
}
}
}
package Cun;
public class Test {
public static void main(String[] args) {
Check c=new Check(122, 10000,4.65, 5000);
c.withdraw(5000);
c.withdraw(6000);
}
}
