验证算法--对数器

package com.uriel.sort;
 
import java.util.Arrays;
import java.util.Random;
 
/**
 * @PackName com.uriel.sort
 * @Description: This program demonstrates Logarithmic detector
 * @Date 2022/5/24
 * @Create by Uriel
 * @Version 1.8
 */
public class DataChecker {
    // 随机生成一个随机数组
    static int[] generateRandomArray() {
        Random r = new Random();
        int[] arr = new int[10000];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = r.nextInt(10000);
        }
        return arr;
    }
 
    static void check() {
        boolean flag = true;
        for (int r = 0; r < 10000; r++) {
            int[] arr = generateRandomArray();
            int[] arr2 = new int[arr.length];
            System.arraycopy(arr, 0, arr2, 0, arr.length);
 
            Arrays.sort(arr);
            TestSelectionSort.selectionSort(arr2);
 
            // 判断你排序的数组是否正确
            for (int i = 0; i < arr2.length; i++) {
                if (arr[i] != arr2[i]) flag = false;
            }
        }
        System.out.println(flag == true ? "right" : "wrong");
    }
 
    //The entrance of program
    public static void main(String[] args) {
        check();
    }
}