【发布时间】:2019-11-01 09:14:35
【问题描述】:
我只想制作一个对象。但我不知道为什么会出现这个错误。我认为一切都是正确的,但弹出构造函数错误。它说需要 String,String,int 没有参数。这是为什么呢?
error: constructor Account in class Account cannot iven types required: String,String,int found: no arguments reason: actual and formal argument
我的代码
class Account{
private String accName;
private String accID;
private int balance;
private Account(){
accName = "No name found";
accID = "No id found";
}
private Account(String name, String id, int bal){
accName = name;
accID = id;
balance = bal;
}
private void Withdrow(int amount){
if(balance > amount)
{
balance = balance - amount;
System.out.println("Balance :"+balance);
}
else
System.out.println("Not Enough money");
}
private void deposit(int amount){
if(amount>0)
{
balance = balance + amount;
System.out.println("Balance :"+balance);
}
else
System.out.println("Error Deposit");
}
private void showInfo(){
System.out.println("Name :"+ accName);
System.out.println("ID :"+ accID);
System.out.println("Balance :"+ balance);
}
}
class Main{
public static void main(String args[]){
Account ac = new Account();
}
}
【问题讨论】:
-
无参数构造器是私有的。在使用参数化对象创建对象时,要么将其公开,要么使用参数。
标签: java constructor access-modifiers