PrimeyTimey.java

public class PrimeyTimey
{
    
	/* John Godman - Program 2
	 * Strazza Pd. 8
	 */
	
	// configuration constants
	public static final int START = 2,
				END   = 250;

	public static void main(String args[])
	{	boolean newLine = false;
	    for (int x = START; x <= END; x++)
		{	if (x % 10 == 0 && newLine) // format w \r if iterator passes multiple of 10
		    {   System.out.println();
		        newLine = false;
		    }
			if (isPrime(x)) // iterator is prime? w/ func @ ln 20
			{	System.out.printf("%-4d", x); // format left aligned 4 chars
				newLine = true;
			}
		}
	}

	// prime number function
	public static boolean isPrime(int x)
	{	for (int y = START; y < x; y++)
		{	if (x % y == 0) // value divisible by iterator?
				return false;
		}
		return true;
	}
}

	/*
	int[] primesOut = new int[END - START];
		int arrayInc = 0;

		for (int x = 1; x <= END; x++)
		{
			for (int y = START; y < x; y++)
			{
				if (x % y == 0)
				{
					//arrayInc++;
					break;
				}
				//primesOut[arrayInc++] = x;
			}
		}

		int j = 0;
		for (int out : primesOut)
		{
			System.out.printf("%4s", out);
			if (j++ % 10 == 0)
			{
				System.out.println();
				j = 0;
			}
		}
	 */