这个代码哪里有问题啊

Question

public class SavingAccount extends Account {
 private double interestRate;
 public SavingAccount(double init_balance,double interest_rate) {
  super(init_balance);
  interestRate=interest_rate;
 }
 @Override//withdraw()是一个抽象方法
 public boolean withdraw(double amount) {
  if(amount<=balance){balance-=amount;return true;}
  else return false;
 }

}

Answer 1

没问题啊