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Java应用程序。首先定义一个描述银行账户的Account类,包括成员变量“账号”和“存款余额”,
成员方法有“存款”、“取款”和“余额查询”。其次,编写一个主类,在主类中测试Account类的功能。

public class Text_11 {
		public static void main(String[] args) {
			Account  acc = new Account("202920194", 3800);
			System.out.println("余额为:"+acc.seeMoney());
			acc.saveMoney(500);//存
			System.out.println("余额为:"+acc.seeMoney());
			acc.getMoney(500);//取
			System.out.println("余额为:"+acc.seeMoney());
			acc.getMoney(5000);//取
		}
}
class Account{
		private String count ;
		private double money ;
		public Account(String count, double money) {
			super();
			this.count = count;
			this.money = money;
		}
		
		public double seeMoney() {//查询
			return getMoney();
		}
		public double saveMoney (double addmoney) {//存
			return money = getMoney()+addmoney ;
		}
		public double getMoney (double deleatmoney) {//取
			if(deleatmoney > getMoney()) {
				System.out.println("余额不足");
				return 0;
				}else 
					return money = getMoney()-deleatmoney ;
		}
		public String toString() {
			return count +"   "+ getMoney() ;
		}
		
		public String getCount() {
			return count;
		}
		public void setCount(String count) {
			this.count = count;
		}
		public double getMoney() {
			return money;
		}
		public void setMoney(double money) {
			this.money = money;
		}
		
} 

本文标签: 余额存款成员变量账户