廖永睿Java內建方法length(),chartAt()
/*整合開發環境IDE,Integrated Development Enviroment*/ public class Main {/*莊庭寬w3schools內建方法length,charAt*/ public static void main(String[] args) { String a = "中華民國萬歲,萬萬歲";/**/ String b = ""; /*字串b初始值是空的*/ int c = a.length(); /*方法 length() 得到字串長度*/ System.out.println("原來字串: " + a); System.out.println("字串長度: " + c); for (int i = 0; i
