選擇排序算法
/**
* 選擇排序
*/
public static int[] selectSort(int[] array) {
int position = 0;
for (int i = 0; i < array.length; i++) {
int j = i + 1;
position = i;
int temp = array[i];
for (; j < array.length; j++) {
if (array[j] < temp) {
temp = array[j];
position = j;
}
}
array[position] = array[i];
array[i] = temp;
}
return array;
}
運行
/**
* 待排序的數(shù)組
*/
private static int[] array = {
12, 10, 5, 9, 5, 32, 16, 1, 9, 99, 80, 3, 18, 19, 20, 25, 7, 15
};
public static void main(String[] args) {
int[] result = SortUtils.selectSort(array.clone());
System.out.println(Arrays.toString(result));
}
輸出
[1, 3, 5, 5, 7, 9, 9, 10, 12, 15, 16, 18, 19, 20, 25, 32, 80, 99]
