solves #2303: Calculate Amount Paid in Taxes n java

Author: anishLearnsToCode

Diff for: README.md

@@ -742,7 +742,7 @@
 | 2293 | [Min Max Game](https://leetcode.com/problems/min-max-game)                                                                                                             |                                                                                         [![Java](assets/java.png)](src/MinMaxGame.java)                                                                                          |                                                                                                                                   |
 | 2299 | [Strong Password Checker II](https://leetcode.com/problems/strong-password-checker-ii)                                                                                 |                                                                                   [![Java](assets/java.png)](src/StrongPasswordCheckerII.java)                                                                                   |                                                                                                                                   |
 | 2300 | [Successful Pairs of Spells and Potions](https://leetcode.com/problems/successful-pairs-of-spells-and-potions)                                                         |                                                                        [![Python](assets/python.png)](python/successfull_pairs_of_spells_and_potions.py)                                                                         |                                                                                                                                   |
-| 2303 | [Calculate Amount Paid in Taxes](https://leetcode.com/problems/calculate-amount-paid-in-taxes)                                                                         |                                                                        [![Python](assets/python.png)](python/successfull_pairs_of_spells_and_potions.py)                                                                         |                                                                                                                                   |
+| 2303 | [Calculate Amount Paid in Taxes](https://leetcode.com/problems/calculate-amount-paid-in-taxes)                                                                         |                                        [![Java](assets/java.png)](src/CalculateAmountPaidInTaxes.java) [![Python](assets/python.png)](python/successfull_pairs_of_spells_and_potions.py)                                         |                                                                                                                                   |
 | 2315 | [Count Asterisks](https://leetcode.com/problems/count-asterisks)                                                                                                       |                                                                        [![Python](assets/python.png)](python/successfull_pairs_of_spells_and_potions.py)                                                                         |                                                                                                                                   |
 | 2316 | [Count Unreachable Pairs of Nodes in an Undirected Graph](https://leetcode.com/problems/count-unreachable-pairs-of-nodes-in-an-undirected-graph)                       |                                                                [![Python](assets/python.png)](python/count_unreachable_pair_of_node_in_an_undirectable_graph.py)                                                                 |                                                                                                                                   |
 | 2319 | [Check if Matrix Is X-Matrix](https://leetcode.com/problems/check-if-matrix-is-x-matrix)                                                                               |                                                                [![Python](assets/python.png)](python/count_unreachable_pair_of_node_in_an_undirectable_graph.py)                                                                 |                                                                                                                                   |

Diff for: src/CalculateAmountPaidInTaxes.java

@@ -0,0 +1,17 @@
+// https://leetcode.com/problems/calculate-amount-paid-in-taxes
+// T: O(|brackets|)
+// S: O(1)
+
+public class CalculateAmountPaidInTaxes {
+    public double calculateTax(int[][] brackets, int income) {
+        double tax = 0;
+        int ceiling = 0;
+        for (int i = 0 ; i < brackets.length && income > 0 ; i++) {
+            final int taxableIncome = Math.min(brackets[i][0] - ceiling, income);
+            income -= taxableIncome;
+            ceiling = brackets[i][0];
+            tax += taxableIncome * ((double) brackets[i][1] / 100);
+        }
+        return tax;
+    }
+}