陳俊宇Java陣列array長度

w3schools陣列array宣告:型態[]方括號corner brackets

//陳俊宇,2022/11/10,學習陣列,方法length
public class Main {
  public static void main(String[] args) {
    String[] cars = {"富豪", "寶馬", "福特", "馬自達","勞斯萊斯"};
    int j;					/*宣告位元數*/
    j=cars.length;			/*給定j=陣列cars.長度*/
    System.out.println("陣列長度:"+j);	/*方法印出來print*/
    for (int i = 0; i < j; i++) {
      System.out.println(cars[i]);
    }
    System.out.println("以下使用for-each迴圈輸出");
    for(String i: cars){	/*將每一個cars陣列的項目items輸出*/
    System.out.println(i);
    }
  }
}

截圖w3schools型態[]方括號corner bracket