/**
 * This file contains java code which implements
 * the class named CommentsBad.
 */
public class CommentsBad {

	public void displayPrimes(int maxNumber) {
		int[] array;  // An array of integers
		
		// Declare array
		array = new int[maxNumber + 1];
		
		// Initialize array
		for (int i=2; i<=maxNumber; i++) {
			array[i] = i;
		}
		
		// Perform a nested loop over array with the outer loop going
        // from 2 to Sqrt(maxNumber) and the inner loop going from
        // 2 time the value of the outer loop to maxNumber.  
		for (int i=2; i<=(int)Math.sqrt(maxNumber); i++) {
			for (int j=2*i; j <= maxNumber; j+=i) {
				array[j] = 0;  // Set to 0
			}
		}
		
		// Loop over array and for every value that is not equal to 0,
        // call the method System.out.println().
		for (int i=2; i<=maxNumber; i++) {
			if (array[i] != 0) {
				System.out.println(array[i]);
			}
		}
		
	}
	
	/**
	 * A simple class tester
	 * @param args Unused
	 */
	static public void main(String[] args) {
		CommentsBad bad = new CommentsBad();
		bad.displayPrimes(20);  // Simple test case
	}
}