参考代码:
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Test t = new Test(); String[] str = new String[3]; for (int i = 0; i < str.length; i++) { str[i] = sc.nextLine(); } for (int i = 0; i < str.length; i++) { if (str[i].length() == 1) { char ch = str[i].charAt(0); if (ch >= '0' && ch <= '9') { int n = ch; t.fun(n);//数字 } else { t.fun(ch-48);//单个字符 } } else { String s = str[i]; t.fun(s);//字符串 } } } } class Test { public void fun(String s) { System.out.println(s.length()); } public void fun(int n) { System.out.println(n); } public void fun(char c) { System.out.println((int) c); } }
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