不動產學程HTML.CSS.JavaScript.Java

import java.util.Scanner; /*開啟套件package util=utility用途,Scanner掃描器*/ /*吳泊諺utility industry=公用事業產業,電力,自來水,效用=utility */ class MyClass { public static void main(String[] args) { String a, b=""; Scanner myObj = new Scanner(System.in); //輸入到掃描Scanner物件 System.out.print("輸入: "); a = myObj.nextLine(); /*輸入文字nextLine到變數a */ System.out.println("長度: " + a.length()); for (int i = 0; i

public class Main { //公開的類別 Main 存檔時,名稱Main.java public static void main(String[] args) { int x =15; //宣告整數x int result = sum(x); //宣告整數result,等於呼叫方法 sum for ( int i = 0; i 0) { //if-else條件判斷,語法同Javascript return k + sum(k - 1); //recursion重複呼叫自己sum:遞迴 } else { //最有名的應用河內塔Hanoi Tower return 0; } } public static int factor(int k) {//自訂的方法,名稱sum if (k > 0) { //if-else條件判斷,語法同Javascript return k * factor(k - 1); //recursion重複呼叫自己sum:遞迴 } else { //最有名的應用河內塔Hanoi Tower return 1; } } }