Java應用程序。首先定義一個描述銀行賬戶的Account類,包括成員變量“賬號”和“存款餘額”,
成員方法有“存款”、“取款”和“餘額查詢”。其次,編寫一個主類,在主類中測試Account類的功能。
public class Text_11 {
public static void main(String[] args) {
Account acc = new Account("202920194", 3800);
System.out.println("餘額爲:"+acc.seeMoney());
acc.saveMoney(500);//存
System.out.println("餘額爲:"+acc.seeMoney());
acc.getMoney(500);//取
System.out.println("餘額爲:"+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() {//查詢
return getMoney();
}
public double saveMoney (double addmoney) {//存
return money = getMoney()+addmoney ;
}
public double getMoney (double deleatmoney) {//取
if(deleatmoney > getMoney()) {
System.out.println("餘額不足");
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;
}
}