public class InsertionSort {
public static void main(String[] args) {
int[] array = {3, 5, 4, 1, 2, 6};
sort(array);
System.out.println(Arrays.toString(array));
}
public static void sort(int[] array) {
for (int i = 1; i < array.length; i++) {
int key = array[i];
int j = i;
while (j > 0 && array[j - 1] > key) {
array[j] = array[j - 1];
j--;
}
array[j] = key; //插入
}
}
}