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  • 选择排序+冒泡排序

    import java.util.Arrays;
    
    public class Arrsort {
        public static void main(String[] args) {
            int[] arr = {5, 8, 3, 4, 9, 2, 7, 6, 1};
    
            System.out.println(Arrays.toString(bubblesort(arr)));
            System.out.println(Arrays.toString(selectsort(arr)));
            System.out.println(Arrays.toString(arr));
        }
    
        private static int[] bubblesort(int[] arr) {
            int[] newarr = new int[arr.length];
            System.arraycopy(arr, 0, newarr, 0, arr.length);
    
            for (int i = newarr.length - 1; i > 0; i--) {
                for (int j = 0; j < i; j++) {
                    if (newarr[j] > newarr[j + 1]) {
                        int temp = newarr[j];
                        newarr[j] = newarr[j + 1];
                        newarr[j + 1] = temp;
                    }
                }
            }
    
            return newarr;
        }
    
        private static int[] selectsort(int[] arr) {
            int[] newarr = new int[arr.length];
            System.arraycopy(arr, 0, newarr, 0, arr.length);
    
            for (int i = 0; i < newarr.length; i++) {
                for (int j = i + 1; j < newarr.length; j++) {
                    if (newarr[i] < newarr[j]) {
                        int temp = newarr[i];
                        newarr[i] = newarr[j];
                        newarr[j] = temp;
                    }
                }
            }
    
            return newarr;
        }
    }
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  • 原文地址:https://www.cnblogs.com/linding/p/13489099.html
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