Stock_Buy_Sell.java

class Stock_Buy_Sell{
static int maximumProfit(int []Arr){
    // Write your code here.
	int maxProfit = 0;
	int mini = Arr[0];
	
	for(int i=1;i<Arr.length;i++){
        int curProfit = Arr[i] - mini;
        maxProfit = Math.max(maxProfit,curProfit);
        mini = Math.min(mini,Arr[i]);
        }
	return maxProfit;
}

public static void main(String args[]) {

  int[] Arr  ={7,1,5,3,6,4};

  System.out.println("The maximum profit by selling the stock is "+
  maximumProfit(Arr));
}
}