Create Stock Buy and Sell – Max one Transaction Allowed

Stock Buy and Sell – Max one Transaction Allowed

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+//Stock Buy and Sell – Max one Transaction Allowed
+
+import java.io.*;
+import java.lang.*;
+import java.util.*;
+
+class GFG {
+    public static void main(String args[]) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        int t = Integer.parseInt(br.readLine());
+
+        while(t-- > 0) {
+            String arr[] = br.readLine().split(" ");
+            int prices[] = new int[arr.length];
+
+            for(int i = 0; i < arr.length; i++) {
+                prices[i] = Integer.parseInt(arr[i]);
+            }
+
+            Solution obj = new Solution();
+            int res = obj.maximumProfit(prices);
+            System.out.println(res);
+        }
+    }
+}
+
+class Solution {
+    public int maximumProfit(int prices[]) {
+        int profit = 0;
+        int minPrice = prices[0];
+
+        for(int i = 0; i < prices.length ; i++) {
+            minPrice = Math.min(prices[i], minPrice);
+            profit = Math.max(profit, prices[i] - minPrice);
+        }
+
+        return profit;
+    }
+}