Dafuq (test) + Quicksort

dafuq.java

import java.util.Arrays;

class dafuq {
        public static void crap (String v) {
                System.out.println(v);
        }
        public static void main(String[] args) {
                for ( int i = 0; i <= 200; ++i ) System.out.println("Dafuq.");
                dafuq shit = new dafuq();
                crap("Fuck");
                System.out.println("Exiting.");
                QS sort = new QS();
                int[] x = { 12, 312, 1, 123, 1122, 13, 5, 23, 6, 7 };
                crap(Arrays.toString(x));
                crap(Arrays.toString(sort.s(x)));
        }
}       

QS.java

public class QS  {
	static int[] z;
	static int n;

	public static int[] s(int[] v) {
                
		if (v ==null || v.length==0){
			return null;
		}
		z = v;
		n = v.length;
		qs(0, n - 1);
		return z;
	}

	private static void qs(int l, int h) {
		int i = l, j = h;
		int p = z[l + (h-l)/2];

		while (i <= j) {
			while (z[i] < p) i++;
			while (z[j] > p) j--;
                        
			if (i <= j) {
				e(i, j);
				i++;
				j--;
			}
		}
                
		if (l < j) qs(l, j);
		if (i < h) qs(i, h);
	}

	private static void e(int i, int j) {
		int t = t[i];
		t[i] = t[j];
		t[j] = t;
	}
}