package J20250715.homework; import java.util.Scanner; /** * @author WanJl * @version 1.0 * @title Demo01 * @description 遍历字符串案例 * @create 2025/7/15 */ public class Demo01 { public static void main(String[] args) { System.out.println("请输入一段字符串...."); //创建Scanner对象 Scanner sc=new Scanner(System.in); //获取字符串的长度的方法:字符串变量.length(); String s = sc.nextLine(); int length=s.length(); //获取s字符串的长度,赋值给一个整型变量 for (int i = 0; i < length; i++) { char c=s.charAt(i); System.out.println(c); } } }