程序员需要掌握的排序算法之希尔排序（最小增量排序）

package sortalgorithm;

public class PublicShellSort {

	static void shellSort() {

		int[] sortList = { 1, 3, 2, 4, 10, 7, 8, 9, 5, 6 };
		int n = 1,len = sortList.length;
		for (int step = len / 2; step > 0; step /= 2) {
			for (int i = 0; i < step; i++) {
				for (int j = i + step; j < len; j += step)
					if (sortList[j] < sortList[j - step]) {
						//如果后面的数大于前面的数，则两两进行交换
						int temp = sortList[j];
						int k = j - step;
						while (k >= 0 && sortList[k] > temp) {
							sortList[k + step] = sortList[k];
							k -= step;
						}//该循环是位移式
						sortList[k + step] = temp;
					}
			}
			System.out.println("第" + n + "次:");
			for (int m = 0; m < sortList.length; m++) {
				System.out.print(sortList[m] + " ");
			}
			System.out.println();
			n++;
		}
		System.out.println("最终:");
		for (int k = 0; k < sortList.length; k++) {
			System.out.print(sortList[k] + " ");
		}
	}

	public static void main(String[] args) {
		shellSort();
	}
}