Demo01.java 698 B

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  1. package J20250715.homework;
  2. import java.util.Scanner;
  3. /**
  4. * @author WanJl
  5. * @version 1.0
  6. * @title Demo01
  7. * @description 遍历字符串案例
  8. * @create 2025/7/15
  9. */
  10. public class Demo01 {
  11. public static void main(String[] args) {
  12. System.out.println("请输入一段字符串....");
  13. //创建Scanner对象
  14. Scanner sc=new Scanner(System.in);
  15. //获取字符串的长度的方法:字符串变量.length();
  16. String s = sc.nextLine();
  17. int length=s.length(); //获取s字符串的长度,赋值给一个整型变量
  18. for (int i = 0; i < length; i++) {
  19. char c=s.charAt(i);
  20. System.out.println(c);
  21. }
  22. }
  23. }