/* A summary of common sort algos:
 * 1) shell sort
 * 2) heap sort
 * 3) merge sort
 * 4) quick sort
 * 5) etc.
 * */

public class Sort {

}

@@ -133,11 +133,215 @@
  Sort %7B%0A
+  public static void shell(int%5B%5D a) %7B%7D%0A%0A  public static void heap(int%5B%5D a) %7B%7D%0A%0A  public static void merge(int%5B%5D a) %7B%7D%0A  %0A  public static void quick(int%5B%5D a) %7B%7D%0A%0A  public static void main(String%5B%5D args) %7B%7D
 %0A%7D%0A

implement APIs