Question

我在Account Class中有以下方法

public void Transfer(int accountNo, double amount)
{
    this.accountNo = accountNo;
    double savingBal= this.getSavingBal();
    if (this.savingBal > amount)
    {this.savingBal=-amount;
    this.checkingBal=+amount;
    }
    else
    {
        System.out.println("Insufficent fonds into savings account");
    }

}

这段代码进入主类：

//

 Account b = new Account();

//

  System.out.println("Please mention the amout you whish to transfer and the account");
            amount = s.nextDouble();
            accountNo = s.nextInt();
            b.Transfer(accountNo, amount);

但是打印到控制台的结果总是如下： “资金不足”

请帮忙，

诚恳，

完整帐户类

package atmsimulation;
import java.util.*;

public class Account {
private int accountNo;
private double checkingBal;
private double savingBal;

//Scanner sc = new Scanner(System.in);

Account ()
        {
        this.checkingBal=0;    
        this.savingBal=0;
        this.accountNo=0;
        }

  public Account(int accountNo, double checkingBal, double savingBal) {
        this.accountNo = accountNo;
        this.checkingBal = checkingBal;
        this.savingBal = savingBal;
    }
//makes a @Payment
public void Payment(double amount)
{
    this.checkingBal=-amount;
}
//makes a @Deposit
public void Deposit(double amount)
{
    this.checkingBal=+amount;
}
//makeks a transfer from @savings into @checking account
public void Transfer(int accountNo, double amount)
{
    this.accountNo = accountNo;
    double savingBal= this.getSavingBal();
    if (this.savingBal > amount)
    {this.savingBal=-amount;
    this.checkingBal=+amount;
    }
    else
    {
        System.out.println("Insufficent fonds into savings account");
    }

}

    public void setCheckingBal(double checkingBal) {
        this.checkingBal = checkingBal;
    }

    public void setSavingBal(double savingBal) {
        this.savingBal = savingBal;
    }

    public int getAccountNo() {
        return accountNo;
    }

    public void setAccountNo(int accountNo) {
        this.accountNo = accountNo;
    }

      public double getSavingBal() {
        return this.savingBal;
    }

    public double getCheckingBal() {
        return this.checkingBal;
    }



}

Answer 1

this.savingBal=-amount;

应该是

的拼写错误

this.savingBal-=amount;

下一行有类似的错字。这些可能会导致你的问题;如果它们不存在并且存在另一个问题，如果您修复了另一个问题，它们将导致同样的问题。

用于实现从储蓄账户到支票账户的银行转账的Java方法

1 个答案: