w3schools學習Java w3schools學習Java程式碼 //魏靖容2022/11/11陣列array宣告,型態後面加[] public class Main { public static void main(String[] args) { String[] cars = {"富豪","寶馬","福特","罵自答","撈屎來食"}; String[] classmates={"陳品研","蘇千棋","張文嘉"}; int j = cars.length; /* 方法length得到陣列長度*/ for (int i=0; i j; i++) /* 迴圈列出我的汽車*/ System.out.println(cars[i]); for (String i : cars) /* for-each loop迴圈列出我的汽車*/ System.out.println(i); for (String i : classmates) /* for-each loop迴圈列出*/ System.out.println(i); } } Java語言資料型態 資料型態分成原始型primitive與非原始型nono-primitive二大類 原始型primitive 布林boolean 位元數byte 短整數short 非原始型nono-primitive又稱為參照reference型態 字串String 陣列Array 類別Class 介面Interface