构造一个银行账户类，类的构成包括如下内容:
1.数据成员用户的账户名称，用户的账户余额（private数据类型）
2.方法包括开户（设置账户名称及余额），利用构造方法完成
3.查询余额
class Account {
private String name;
private double balance;
public Account(){}
public Account(String name){
this(name,0.0);
}
public Account(String name,double balance){
this.name = name;
this.balance = balance;
}
// setter,getter 略
public double getBalance(){
return this.balance;
}
public String getInfo(){
return "账户名称:" + this.name + ",余额:" + this.balance;
}
}
public class HelloWorld {
public static void main(String[] args){
Account account = new Account("王二麻",8000.00);
System.out.println(account.getInfo());
System.out.println(account.getBalance());
}
}