JAVA

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

python

class Solution:
    def maxProfit(self, prices: List[int]) -> int:
        profit = 0
        for i in range(len(prices)-1):
            if prices[i+1]>prices[i]:
                profit += prices[i+1]-prices[i]
        return profit