大家好,我是Java的初学者,我在array&arraylist方面遇到了一些问题。我的主要问题是如何将计算,动态数据写入数组,以后如何读取?这是我奇怪的代码:

    public static void main(String[] args) {

    int yil, bolum = 0, kalan;
    Scanner klavye = new Scanner(System.in);
    ArrayList liste = new ArrayList();

    //or shall i use this? >> int[] liste = new int[10];

    System.out.println("Yıl Girin: "); // enter the 1453
    yil = klavye.nextInt();

    do{ // process makes 1453 separate then write in the array or arraylist. [1, 4, 5, 3]

    kalan = yil % 10;
    liste.add(kalan); //my problem starts in here. How can i add "kalan" into the "liste".
    bolum = yil / 10;
    yil = bolum;

    }while( bolum == 0 );

    System.out.println("Sayının Basamak Sayısı: " + liste.size()); //in here read the number of elements of the "liste"
    klavye.close();
}


编辑:

    //needs to be like that
    while( bolum != 0 );
    System.out.println("Sayının Basamak Sayısı: " + liste);

最佳答案

我认为您最有可能希望循环停止条件为:

while( bolum != 0)


因为bolum仅在您的号码中没有剩余数字可处理时才是0。另外,正如上文所提到的,可能是用户在提示输入数字时输入0的情况,因此您应该考虑到这一点。

09-11 20:52