add counter in insertion sort program

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http://www.daniweb.com – i m working with this program but dont know how to add counter in it in order to check running / execution time of program.please help me. and telll how and where to add code for this task?plz reply soon. public class InsertionSort{ public static void main(String a[]){ int i; int array[] = {12,9,4,99,120,1,3,10}; System.out.println(" Insertion Sort\n\n"); System.out.println("Values Before the sort:\n"); for(i = 0; i < array.length; i++) System.out.print( array[i]+" "); System.out.println(); insertion_srt(array, array.length); System.out.print("Values after the sort:\n"); for(i = 0; i <array.length; i++) System.out.print(array[i]+" "); System.out.println(); System.out.println("PAUSE"); } public static void insertion_srt(int array[], int n){ for (int i = 1; i < n; i++){ int j = i; int B = array[i]; while ((j > 0) && (array[j-1] > B)){ array[j] = array[j-1]; j--; } array[j] = B; } } } (General)