何建誠,w3schools,陣列array,方法,迴圈for-each
w3schools學習:陣列array,方法,迴圈for-each /* 何建誠2022.11.7.w3schools,陣列array,陣列長度方法length,陣列是在型態後面加[] corner bracket */ public class Main { public static void main(String[] args) { String[] hey = {"富豪", "寶馬", "福特", "馬自達", "勞斯萊斯","賓士"}; System.out.println(hey.length); /*方法,函數, length陣列長度*/ /*迴圈輸出陣列hey*/ for (int i = 0; i angle角 bracket,[]corner bracket,{}curly bracket捲形, https://en.wikipedia.org/wiki/Bracket */ } } /*() round bracket, angle角 bracket,[]corner bracket,{}curly bracket捲形, https://en.wikipedia.org/wiki/Bracket */ 截圖 教學影片152 重要觀念,期末考 Java資料型態分為兩大類:原型態primitive type與非原型態non-primitive type又稱參照型態reference type 原型態 位元數byte 短整數short 整數int(ingeter) 長整數long:佔8八位元組 浮點數fioat:實數 倍精數double 字元char 布林數boolean 非原型態 類別Class 物件Object 字串String:是字元characters的串接 陣列Array 介面Interface