update hw10

Sitrone · Sitrone · commit 56358644db25 · 2016-12-18T11:24:00.000+08:00
diff --git a/UCB CS61B/Homework and Projects/homework/hw10/sort/Sorts.java b/UCB CS61B/Homework and Projects/homework/hw10/sort/Sorts.java
@@ -36,11 +36,7 @@ public static int[] countingSort(int[] keys, int whichDigit) throws QueueEmptyEx
             throw new IllegalArgumentException("Illeagle argument " + whichDigit);
         }
         
-        LinkedQueue[] queues = new LinkedQueue[1 << 4];
-        for(int i = 0; i < 16; i++)
-        {
-            queues[i] = new LinkedQueue();
-        }
+        LinkedQueue[] queues = initQueueArr(1 << 4);
         int shift = whichDigit * 4;
         int com = 0x0F << shift;
        
@@ -63,6 +59,16 @@ public static int[] countingSort(int[] keys, int whichDigit) throws QueueEmptyEx
         }
         return keys;
     }
+    
+    private static LinkedQueue[] initQueueArr(int length)
+    {
+        LinkedQueue[] queues = new LinkedQueue[length];
+        for(int i = 0; i < length; i++)
+        {
+            queues[i] = new LinkedQueue();
+        }
+        return queues;
+    }
 
   /**
    *  radixSort() sorts an array of int keys (using all 32 bits
