This is homework i been assigned.
1. A popular drinking song has verses of the form:
< n > bottle(s) of < beverage > on the wall,
< n > bottle(s) of < beverage >.
If one of those bottles should happen to fall,
< n − 1 > bottle(s) of < beverage > on the wall.
Write a loop that will print the verses of this song, all the way down to numBottles =
1. If the user is 21 or older, use “beer” as the beverage; otherwise, print “milk.” You
may assume that numBottles and age are already defined as int variables. (4
points)
Hint: To simplify the print statements in your loop, declare a new String variable
named beverage before your loop. Use an if statement to assign a value (either
"milk" or "beer") to beverage based on whether age is less than 21.


This is my code so far.

1. import javax.swing.*;
   
   void setup ()
   {
    
    }
   
   
   
   
   void draw()
   {
   
    
   String beverage;
   String age = JOptionPane.showInputDialog("What is your age?");
   int val= Integer.parseInt(age);//converts string to int
   int number =99;
   
     if(val >=21){
       beverage ="Beer";
      println( number+ " of bottles of " + beverage + " on the wall,");
      println( number +" bottles of beer,");
      println( "If one of those bottles should happen to fall,");
       println( number-1 + " bottles of " + beverage +  " on the wall");
       number--;
     }else
    beverage = "Milk";
      println(number + "of bottles of " + beverage + " on the wall,");
     println(number +" bottles of "+beverage);
      println("If one of those bottles should happen to fall,");
      println(number-1 +" bottles of " +beverage +" on the wall");
      number--;
   
   
   }