Please help with this Java problem!

package math.problems; public class FindMissing Number public static void main(String[] args) { * If n = 10, then array will have 9 elements in the range from 1 to 10. * For example (10, 2, 1, 4, 5, 3, 7, 8, 6). One number will be missing in array (9 in this case). * Write java code to find the missing number from the array. Write static helper method to find it. int [] array = new int[]{10, 2, 1, 4, 5, 3, 7, 8, 6); */