Chapter 12, Problem 6E

Explanation of Solution

Method definition:

//method definition

public void writeSquares(int n)

{

    //condition to validate the value of n

    if (n < 1)

     {

        //return illegal exception

        throw new IllegalArgumentException();

    }

    //else part to validate the value of n is 1

    else if (n == 1)

     {

       //display the value

        System.out.print(1);

    }

    //else part to validate the remainder of the n value

    else if (n % 2 == 1)

     {

        //display the values

        System.out...