盧咨妤Java套件Scanner,方法length(),charAt()
Java程式碼 import java.util.Scanner; /*開啟套件package util=utility用途,Scanner掃描器*/ /*盧咨妤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=""; /*定義字串a,b*/ Scanner myObj = new Scanner(System.in); //建構編輯物件 System.out.print("輸入: "); a = myObj.nextLine(); /*輸入文字nextLine到變數a */ System.out.println("長度: " + a.length());/*輸出字串長度length()*/ for (int i = 0; i
