8. Weighted 4*4 16 tails model) The weighted nine tails problem in the text uses a 3*3 matrix. Assume that you have 16 coins placed in a 4*4 matrix. Create a new model class named Weighted TailModel16. Create an instance of the model and save the object into a file named Weighted TailModel16.dat.

Write a Java program to take nth number from the user. So your code have to print the Fibonacci Number using Iteration. You have to handle all the base cases in your code

What constant names are defined in the java.lang.Math class?

Hi I am coding for java where I have to have 20 fibonacci numbers printed out 5 in a row. Then I need to print out their sum and average. For some reason I can't find where in my code thats causing an error in my console. Like its supposed to be seperated on its own line and not having the numbers on the same row with the sum on the same row.  I just need to figure out how to get the fibonacci numbers in 5 numbers for each row and the sum on its own row. Hope that makes sense Here's the code: public class Prspecial {public static final int N = 20;public static void main(String[] args) {int[] ary = new int[N];ary[0]=0;ary[1]=1;int sumOfFib = ary[0] + ary[1]; for (int i=2;i<N;i++) {ary[i] = ary[i-1]+ary[i-2]; sumOfFib+=ary[i]; }System.out.println("Display 5 rows of numbers: ");for(int i=0;i<N;i++){System.out.printf(" " + ary[i]);int count = 0;count++;if(count==5){System.out.println();count=0;}} float avg; float secAvg;avg= (float)sumOfFib/N; System.out.println(" The sum of…