题目
没让你输出等号
只用 -> 连接
package com.example.demo.csdn;
import java.util.Arrays;
import java.util.Scanner;
import java.util.StringJoiner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int[] arr = new int[3];
for (int i = 0; i < 3; i++) {
arr[i] = scanner.nextInt();
}
Arrays.sort(arr);
StringJoiner sb = new StringJoiner("->");
for (int i = 0; i < arr.length; i++) {
sb.add(String.valueOf(arr[i]));
}
System.out.println(sb.toString());
}
}