我该怎么做呢？ ！ [英] How do I... Do this? !
问题描述
public class BankAccount {
public int balance;
public final String accountNumber;
public String transactionLog;
public BankAccount（String accountNumber）{
this.accountNumber = accountNumber;
this.balance = 0;
this.transactionLog =;
}
public String report（）{
/ /填写我！
返回;
}
public int getBalance（）{
//填写我！
返回0;
}
public void transfer（int transferAmount，BankAccount fromAccount）{
//填写我！
}
public void撤回（int withdrawAmount）{
//填写我！
}
public void deposit（int depositAmount）{
//填写我！
}
}
我的尝试：
公共级别BankAccount {
public int balance;
public final String accountNumber;
public String transactionLog;
public BankAccount（String accountNumber）{
this.accountNumber = accountNumber;
this.balance = 0;
this.transactionLog =;
}
公共字符串报告（）{
//填写我的信息！
返回;
}
public int getBalance（）{
//填写我的内容！
返回0;
}
公共无效转移（int transferAmount，BankAccount fromAccount）{
//填写我！
}
public void withdraw（int withdrawAmount）{
//填写我！
}
public void deposit（int depositAmount）{
//填写我！
}
}
public class BankAccount {
public int balance;
public final String accountNumber;
public String transactionLog;
public BankAccount(String accountNumber) {
this.accountNumber = accountNumber;
this.balance = 0;
this.transactionLog = "";
}
public String report() {
// FILL ME IN!
return "";
}
public int getBalance() {
// FILL ME IN!
return 0;
}
public void transfer(int transferAmount, BankAccount fromAccount) {
// FILL ME IN!
}
public void withdraw(int withdrawalAmount) {
// FILL ME IN!
}
public void deposit(int depositAmount) {
// FILL ME IN!
}
}
What I have tried:
public class BankAccount {
public int balance;
public final String accountNumber;
public String transactionLog;
public BankAccount(String accountNumber) {
this.accountNumber = accountNumber;
this.balance = 0;
this.transactionLog = "";
}
public String report() {
// FILL ME IN!
return "";
}
public int getBalance() {
// FILL ME IN!
return 0;
}
public void transfer(int transferAmount, BankAccount fromAccount) {
// FILL ME IN!
}
public void withdraw(int withdrawalAmount) {
// FILL ME IN!
}
public void deposit(int depositAmount) {
// FILL ME IN!
}
}
推荐答案
他们大多数都是简单的数学，我会用评论填写你：
They are mostly simple maths, I will fill you in with comments:
public String report() {
// What can you find out when you look at your bank statement
}
public int getBalance() {
// How much money at your disposal when you stare at your bank book
}
public void transfer(int transferAmount, BankAccount fromAccount) {
// what happens to the balance if some money got transerred from other account into it
}
public void withdraw(int withdrawalAmount) {
// what happen to the balance after you withdraw money
}
public void deposit(int depositAmount) {
// what happens to the balance after you deposit money
}最后但并非最不重要的是，所有这些活动都应该作为transactionLog的一部分进行更新。参考：创建对象（Java™教程>学习Java语言>类和对象） [ ^ ]。快乐的银行业务！
Last but not least, all these activities should be updated as part of the transactionLog. Reference: Creating Objects (The Java™ Tutorials > Learning the Java Language > Classes and Objects)[^]. Happy banking!
我们不做你的家庭工作。
HomeWork未设置测试你的技能，乞求其他人做你的工作，它设置为让您思考并帮助您的老师检查您对所学课程的理解以及您应用这些课程时遇到的问题。
你的任何失败都会帮助你的老师发现你的弱点并设定补救措施。
所以，试一试，重读你的课程并开始工作。如果您遇到特定问题，请显示您的代码并解释这个问题，我们可能会提供帮助。
作为程序员，您的工作是创建算法解决特定问题，你不能依赖别人永远为你做，所以有一段时间你必须学会如何。而且越快越好。
当你要求解决方案时，就像试图通过培训其他人来学习开车一样。
创建算法基本上是找到数学并做出必要的调整以适应你的实际问题。
We do not do your HomeWork.
HomeWork is not set to test your skills at begging other people to do your work, it is set to make you think and to help your teacher to check your understanding of the courses you have taken and also the problems you have at applying them.
Any failure of you will help your teacher spot your weaknesses and set remedial actions.
So, give it a try, reread your lessons and start working. If you are stuck on a specific problem, show your code and explain this exact problem, we might help.
As programmer, your job is to create algorithms that solve specific problems and you can't rely on someone else to eternally do it for you, so there is a time where you will have to learn how to. And the sooner, the better.
When you just ask for the solution, it is like trying to learn to drive a car by having someone else training.
Creating an algorithm is basically finding the maths and make necessary adaptation to fit your actual problem.
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