Merge pull request neetcode-gh#2032 from PorasS/java-solutions

Create 0122-best-time-to-buy-and-sell-stock-II.java

Author: tahsintunan

java/0122-best-time-to-buy-and-sell-stock-II.java

@@ -0,0 +1,15 @@
+class Solution {
+    public int maxProfit(int[] prices) {
+        int oldStockPrice = prices[0];
+        int profit = 0;
+        for(int i = 1; i<prices.length; i++){
+            if(prices[i]<oldStockPrice){
+                oldStockPrice = prices[i];
+            }else{
+                profit+=prices[i]-oldStockPrice;
+                oldStockPrice = prices[i];
+            }
+        }
+        return profit;
+    }
+}