docs(DP): update RodCutting.java

Author: yanglbme

Dynamic Programming/RodCutting.java

@@ -1,32 +1,31 @@
-/*  A Dynamic Programming solution for Rod cutting problem
-    Returns the best obtainable price for a rod of
-	length n and price[] as prices of different pieces */
-
+/**
+ * A Dynamic Programming solution for Rod cutting problem
+ * Returns the best obtainable price for a rod of
+ * length n and price[] as prices of different pieces 
+ *
+ */
 public class RodCutting {
-	
-	private static int cutRod(int price[],int n)
-	{
-		int val[] = new int[n+1];
-		val[0] = 0;
 
-		for (int i = 1; i<=n; i++)
-		{
-			int max_val = Integer.MIN_VALUE;
-			for (int j = 0; j < i; j++)
-				max_val = Math.max(max_val,price[j] + val[i-j-1]);
-		  
-       val[i] = max_val;
-		}
+    private static int cutRod(int[] price, int n) {
+        int val[] = new int[n + 1];
+        val[0] = 0;
+
+        for (int i = 1; i <= n; i++) {
+            int max_val = Integer.MIN_VALUE;
+            for (int j = 0; j < i; j++)
+                max_val = Math.max(max_val, price[j] + val[i - j - 1]);
+
+            val[i] = max_val;
+        }
 
-		return val[n];
-	}
+        return val[n];
+    }
 
-	//main function to test
-	public static void main(String args[])
-	{
-		int arr[] = new int[] {2, 5, 13, 19, 20};
-		int size = arr.length;
-		System.out.println("Maximum Obtainable Value is " +
-							cutRod(arr, size));
-	}
+    // main function to test
+    public static void main(String args[]) {
+        int[] arr = new int[]{2, 5, 13, 19, 20};
+        int size = arr.length;
+        System.out.println("Maximum Obtainable Value is " +
+                cutRod(arr, size));
+    }
 }