diff --git a/lesson_07/conditionals/src/lesson7.ts b/lesson_07/conditionals/src/lesson7.ts
deleted file mode 100644
index 52f45df8b..000000000
--- a/lesson_07/conditionals/src/lesson7.ts
+++ /dev/null
@@ -1,102 +0,0 @@
-import { computeLexicographicDistance } from "./util.js";
-
-/**
- * Returns true if the provided age meets the minimum US voting age and false otherwise.
- *
- * @param age The age to check.
- * @return True if the age corresponds to a voting age and false otherwise.
- */
-export function canVote(age: number): boolean {
-  return false;
-}
-
-/**
- * Compares two strings lexicographically.
- *
- * @param a The first `string` to compare.
- * @param b The second `string` to compare.
- * @return -1 if a is less than b, 1 if a is greater than b, and 0 otherwise.
- */
-export function compareStrings(a: string, b: string): number {
-  // The distance will be a number less than 0 if string `a` is lexicographically less than `b`, 1
-  // if it is greater, and 0 if the strings are equal.
-  const distance = computeLexicographicDistance(a, b);
-
-  // TODO(you): Finish this method.
-
-  return 0;
-}
-
-/**
- * Converts a GPA on the 4.0 scale to the corresponding letter grade using the college board
- * scale. See
- * https://bigfuture.collegeboard.org/plan-for-college/college-basics/how-to-convert-gpa-4.0-scale
- * for details.
- *
- * @param gpa The GPA value.
- * @return The letter grade ("A+", "A", "A-", "B+", etc.).
- */
-export function convertGpaToLetterGrade(gpa: number): string {
-  return "F";
-}
-
-/**
- * Computes the factorial of the given value of `n`.
- *
- * @param n The value for which to compute the factorial.
- * @return The factorial of n.
- */
-export function computeFactorial(n: number): number {
-  return 0;
-}
-
-/**
- * Adds all of the provided values and returns the sum.
- *
- * @param values The values to sum.
- * @return The sum of all the values.
- */
-export function addNumbers(values: number[]): number {
-  return 0;
-}
-
-/**
- * Returns an array of the first `n` Fibonacci numbers starting from 1.
- *
- * @param n The first `n` of Fibonacci values to compute.
- * @return An array containing the first `n` Fibonacci values.
- */
-export function getFirstNFibonacciNumbers(n: number): number[] {
-  return [];
-}
-
-/**
- * Finds a value in an array of values.
- *
- * @param values The values to search.
- * @param start The left most index to search.
- * @param end The right most index to search.
- * @param value The value to look for.
- * @return The index of the value if found in the array and -1 otherwise.
- */
-export function binarySearch(
-  values: number[],
-  start: number,
-  end: number,
-  value: number,
-): number {
-  if (end < start) {
-    // The range is not valid so just return -1.
-    return -1;
-  }
-
-  const pivotIndex = Math.floor((start + end) / 2); // The index in the middle of the array.
-
-  // TODO(you): Finish implementing this algorithm
-
-  // If values[pivotIndex] is equal to value then return `pivotIndex`.
-  // Else if values[pivotIndex] is greater than the value, then
-  // call `binarySearch(values, start, pivotIndex - 1, value)` and return its value;
-  // Else call `binarySearch(values, pivotIndex + 1, end, value)` and return its value.
-  return -1;
-}
diff --git a/lesson_09/types/types_app/src/main/java/com/codedifferently/lesson9/dataprovider/NileJackProvider.java b/lesson_09/types/types_app/src/main/java/com/codedifferently/lesson9/dataprovider/NileJackProvider.java
new file mode 100644
index 000000000..437665660
--- /dev/null
+++ b/lesson_09/types/types_app/src/main/java/com/codedifferently/lesson9/dataprovider/NileJackProvider.java
@@ -0,0 +1,22 @@
+package com.codedifferently.lesson9.dataprovider;
+
+import java.util.Map;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AnthonyMaysProvider extends DataProvider {
+  public String getProviderName() {
+    return "anthonymays";
+  }
+
+  public Map<String, Class> getColumnTypeByName() {
+    return Map.of(
+        "column1", Integer.class,
+        "column2", String.class,
+        "column3", Boolean.class,
+        "column4", Float.class,
+        "column5", Double.class,
+        "column6", Long.class,
+        "column7", Short.class);
+  }
+}