劉任昌Java輸入套件import package掃描器Scanner
VS Code
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);
}
}
元旦後學習JavaScript的相同功能
輸入文字
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