import java.util.*;
class  AverageOfFiveStudentsMarks
{
    public static void main(String[] args) 
    {
        double sum=0;
        Scanner input=new Scanner(System.in);
        double marks[]=new double[5];
        for(int i=0;i<marks.length;i++){
        int j=i+1;
        System.out.print("Enter marks of Student "+j+": ");
        marks[i]=input.nextDouble();
        sum+=marks[i];
        }
        int len=marks.length;
        double average=sum/len;
        System.out.println("Average of  student's marks is: "+average);
    }
}

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