劉任昌Java輸入套件import package掃描器Scanner
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Java程式碼
import java.util.Scanner; /*開啟套件package util=utility用途,Scanner掃描器*/ /*劉任昌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 < a.length(); i++) /*迴圈 */ b = a.charAt(i) + b; System.out.println("輸出: "+ b); } }
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