Java Program to find average of n numbers

//Program to find average of n numbers
import java.util.*;
class areaofc
     {
public static void main(String args[])
      {

    int n,i;
    int a[]=new int[50];
    float avg,sum=0;
    System.out.println(" Of how many number you want to find average:");
    Scanner obj=new Scanner(System.in);
    n=obj.nextInt();
        System.out.println(" Enter numbers:");
        for(i=0;i<n;i++)
         {
           a[i]=obj.nextInt();
         }
        for(i=0;i<n;i++)
         {
           sum=sum+a[i];
         }
    avg=sum/n;
    System.out.println(" Average of "+n+" numbers is : "+avg);
      }
     }