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[英]I can't seem to figure out what to do next. It keeps saying “Not a statement”
[英]I can't seem to figure out what to do with this instance so that my code could print out the requirement
因此規格如下:創建一個BankAccount類。 它應包含以下信息,存儲在實例變量中。 我需要一個構造函數: BankAccount(String firstName, String lastName, double openingBalance)
。 還有一個public String firstName()
,一個public String lastName(),
和一個public double balance()
,它們分別返回名字,姓氏和余額。
到目前為止,我有這個...
public class BankAccountAssignmentPart1 {
private String firstName;
private String lastName;
private double openBalance;
BankAccountAssignmentPart1 (String firstName, String lastName, double openBalance) {
firstName = "Alfred";
lastName = "Jones";
openBalance = 1408;
}
public String firstName() {
return firstName;
}
public String lastName(){
return lastName;
}
public double Balance(){
return openBalance;
}
public static void main(String[] args){
BankAccountAssignmentPart1 m = new BankAccountAssignmentPart1();
System.out.println(m.firstName());
System.out.println(m.lastName());
System.out.println(m.Balance());
}
}
所以我的問題是行BankAccountAssignmentPart1 m = new BankAccountAssignmentPart1();
在Eclipse中,它說構造函數是未定義的,並繼續提出更改代碼的建議,例如刪除String String double或將修飾符更改為static,這在實例中是不會發生的。...所以我不知道去做。
請幫忙!
調用構造函數時,需要指定參數:
BankAccountAssignmentPart1 m = new BankAccountAssignmentPart1("1","2",0);
否則,它將嘗試查找確實未定義的BankAccountAssignmentPart1()構造函數(不帶參數)。
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