LeetCode242 有效的字母异位词（Java字符数组排序&自定义排序记录）

import java.util.*;
import java.math.*;


class Solution {
    public boolean isAnagram(String s, String t) {
        char[] ss = s.toCharArray();
        char[] tt = t.toCharArray();
        Arrays.sort(ss);
        Arrays.sort(tt);
        return Arrays.equals(ss, tt);
    }
}



public class Main {
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);
        Solution solution = new Solution();
        String s = scanner.nextLine();
        String t = scanner.nextLine();
        System.out.println(solution.isAnagram(s, t));
    }
}

import java.util.*;
import java.math.*;

class MySort implements Comparator<Integer>{
    @Override
    public int compare(Integer o1, Integer o2) {
        return o2.compareTo(o1);
    }
}


public class Main {
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        Integer[] a = new Integer[n];
        for(int i=0; i<n; i++){
            a[i] = scanner.nextInt();
        }
        Arrays.sort(a,new MySort());
        for(int i=0; i<a.length; i++){
            System.out.println(a[i]);
        }

    }
}