Smallest and largest number in an array in JAVA programming

1.  
2. //Alamgir Hossain, CSE, JUST
3.  
4. import java.util.Scanner;
5.  
6.  
7. public class LargestandSmallest {
8.  
9.  
10. public static void main(String[] args) {
11.  
12. Scanner myScanner=new Scanner(System.in);
13.  
14.  
15.  
16. int n;
17.  
18. int[] arr=new int[100];
19.  
20. System.out.print("Enter the number of elements : ");
21.  
22. n=myScanner.nextInt();
23.  
24. System.out.print("Enter "+n+" numbers : ");
25.  
26. for (int i = 0; i < n; i++) {
27.  
28. arr[i]=myScanner.nextInt();
29.  
30. }
31.  
32. int small,large;
33.  
34. small=arr[0];
35.  
36. large=arr[0];
37.  
38. for (int i = 0; i < n; i++) {
39.  
40. if (small>arr[i]) {
41.  
42. small=arr[i];
43.  
44. }
45.  
46. else if(large<arr[i]){
47.  
48. large=arr[i];
49.  
50. }
51.  
52. }
53.  
54. System.out.print("Smallest number is : "+small);
55.  
56. System.out.println();
57.  
58. System.out.print("Largest number is : "+large);
59.  
60. }
61.  
62.  
63. }
64.