java program to input 10 integers and find the average of the perfect numbers only

Programming Example

Write a program to input 10 integers and find the average of the perfect numbers only.

Solution

import java.util.*;
class PerfectAverage
{
	public static void main(String arr[])
	{
		int i,j,n,s=0,c,p=0;
		Scanner sc=new Scanner(System.in);
		System.out.println(“Enter 10 integers:”);
		for(i=1;i<=10;i++)
		{
			n=sc.nextInt();
			c=0;
			for(j=1;j<n;j++)
			{
				if(n%j==0)
				c+=j;
			}
			if(c==n)
			{
				s=s+n;
				p++;
			}
		}
		if(p>0)
			System.out.println(“Average of perfect numbers=”+(float)s/p);
		else
			System.out.println(“No perfect no.s present”);
	}
}
Output

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