For this one your are going to write code for the following ONE
class called:

Print_n_numbers

Here are the specifications for the class:

Make sure the class Print_n_numbers has a default constructor, i.e. it
is possible to create an object of the class by executing:

new Print_n_numbers()

The class has only one method: print.

Specs for the method: 

name: print
arguments: one int, called n.
returns: nothing
what it does: 
	it prints the numbers 1, 2, 3 ... n

if the number is 0 or negative the method print prints:

bad number

You can use the following OPTIONAL (i.e. whether you write it or not
it will not affect the tests) main method:

    public static void main(String[] aa){
	Print_n_numbers ss = new Print_n_numbers();
        Scanner scan = new Scanner(System.in);
        
        int ii = 0;
        while (ii != -1){
            System.out.print("please enter a non-zero number (-1 to end): ");
            ii = scan.nextInt();
	    System.out.println("the following is the output of ss.print(" +  ii + "):n");
            ss.print(ii);
	}
    }

If you have this main method, then you can type: Note: in the
following example what the user would enter is shown in bold face.
Otherwise it is the output of the program.

java Print_n_numbers
please enter a non-zero number: 0
the following is the output of ss.print(0):

bad number
please enter a non-zero number: -2
the following is the output of ss.print(-2):

bad number
please enter a non-zero number: 1
the following is the output of ss.print(1):

1
please enter a non-zero number: 2
the following is the output of ss.print(2):

1, 2
please enter a non-zero number: 5
the following is the output of ss.print(5):

1, 2, 3, 4, 5
please enter a non-zero number: 10
the following is the output of ss.print(10):

1, 2, 3, 4, 5, 6, 7, 8, 9, 10
please enter a non-zero number: 30
the following is the output of ss.print(30):

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30
please enter a non-zero number: -1
the following is the output of ss.print(-1):

bad number

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