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案例介绍：

定义一个名为Account的类实现账户管理，它的UML图如下图所示：

编写一个应用程序测试Account的类的使用。

案例代码：

import java.util.Date;
public class Account{
	private int id;	
	private double balance;
	private double annulInterestRate;
	private Date dateCreated;
	public Account(){
		super();
	}
	public Account(int id, double balance){
	super();
	this.id = id;
	this.balance = balance;
	dateCreated = new Date();
	}
	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 getAnnulInterestRate(){
		return annulInterestRate;
	} 
	public void setAnnulInterestRate(double annulInterestRate){
		this.annulInterestRate = annulInterestRate;
	}
	public Date getDateCreated(){
		return dateCreated;
	}
	public void withdraw(double amount){
		balance = balance - amount;
	}
	public void deposit(double amount){
		balance = balance + amount;
	}
	public static void main( String[ ] args){
		Account myAccount = new Account( 101,1000.00);
		myAccount.deposit( 100);
		myAccount.withdraw( 200) ;
		System.out.println("The balance = " + myAccount.getBalance());

	}
}

案例运行图：

本文标签： JavaAccount

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