Java、泛型冒泡排序

package sort;
 
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Comparator;
 
/**
 * @author: xyz
 * @create: 2022/8/14
 * @Description:
 * @FileName: Exercise23_01
 * @History:
 * @自定义内容：
 */
public class Exercise23_01 {
    public static void main(String[] args) {
        Integer[] list1 = new Integer[10];
        for (int i = 0; i < list1.length; i++)
            list1[i] = new SecureRandom().nextInt(20);
 
        System.out.println(Arrays.toString(list1));
        bubbleSort(list1, new SortComparator<>());
        System.out.println(Arrays.toString(list1));
 
        String[] list2 = {"China", "Babylon", "Paris", "america", "India", "Japan"};
        System.out.println(Arrays.toString(list2));
        bubbleSort(list2);
        System.out.println(Arrays.toString(list2));
 
        Double[] list3 = new Double[10];
        for (int i = 0; i < list3.length; i++)
            list3[i] = Math.random() * 20;
 
        System.out.println(Arrays.toString(list3));
        bubbleSort(list3, new SortComparator<>());
        System.out.println(Arrays.toString(list3));
    }
 
    /** 使用Comparable接口的泛型冒泡排序 */
    public static extends Comparable> void bubbleSort(E[] list) {
        for (int i = 1; i < list.length; i++) {
            for (int j = 0; j < list.length - i; j++)
                if (list[j].compareTo(list[j + 1]) > 0) {
                    E temp = list[j];
                    list[j] = list[j + 1];
                    list[j + 1] = temp;
                }
        }
    }
 
    /** 使用Comparator接口的泛型冒泡排序 */
    public static  void bubbleSort(E[] list, Comparatorsuper E> comparator) {
        for (int i = 1; i < list.length; i++) {
            for (int j = 0; j < list.length - i; j++)
                if (comparator.compare(list[j], list[j + 1]) > 0) {
                    E temp = list[j];
                    list[j] = list[j + 1];
                    list[j + 1] = temp;
                }
        }
    }
 
    /** 静态内部类-泛型比较器类 */
    static class SortComparator implements Comparator {
        @Override
        public int compare(E o1, E o2) {
            if (o1 instanceof Comparable) {
                if (((Comparable) o1).compareTo(o2) > 0) return 1;
                else if (((Comparable) o1).compareTo(o2) < 0) return -1;
                else return 0;
            }
 
            //按哈希码排序
            if (o1.hashCode() > o2.hashCode())
                return 1;
            else if (o1.hashCode() < o2.hashCode())
                return -1;
            else
                return 0;
        }
    }
}