public class Solution { /** * @param arr: Any int array, and not an empty array * @return Non-repetitive and ordered arrays */ public Integer[] deDuplicationAndSort(Integer[] arr) { // write your code here } }

import java.util.Arrays;

public class Solution {     
    /**      
     * @param arr: Any int array, and not an empty array      
     * @return Non-repetitive and ordered arrays      
     */     
    public Integer[] deDuplicationAndSort(Integer[] arr) {         
        // 对 Integer 数组去重并排序
        Integer[] result = Arrays.stream(arr).distinct().sorted().toArray(Integer[]::new);
        return result;                                        
    } 
}