posNegSort done

java/src/crackcode/PositiveNegativeSort.java

@@ -0,0 +1,44 @@
+package crackcode;
+
+import java.util.Arrays;
+
+public class PositiveNegativeSort {
+
+	static boolean sDebug = true;
+
+	public static void main(String[] args) {
+        int[] n = {-1, 1, 3, -2, 2, 8};
+
+		int[] n2 = { -1, 1, 4, -3, 7, 2, 9, -11 };
+		customSort(n2);
+	}
+
+	static void customSort(int[] n){
+		int N = n.length;
+		int[] org = Arrays.copyOf(n, N);
+
+		int d = N - 1;
+		for (int i = N - 1; i >= 0; i--) {
+			if (org[i] >= 0) {
+				n[d] = org[i];
+				d--;
+			}
+        }
+		d = 0;
+		for (int i = 0; i < N; i++) {
+			if (org[i] >= 0) {
+			} else {
+				n[d] = org[i];
+				d++;
+			}
+		}
+
+		print(Arrays.toString(n));
+    }
+
+    static void print(String s){
+		if (sDebug) {
+			System.out.println(s);
+		}
+    }
+}