Feat/ Completed findWordsContaining method and gradle check is successful with only 1 file

Author: Dlafferty251

lesson_11/arrays_java/arrays_app/src/main/java/com/codedifferently/lesson11/Lesson11.java

@@ -1,5 +1,6 @@
 package com.codedifferently.lesson11;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class Lesson11 {
@@ -10,46 +11,57 @@ public class Lesson11 {
    */
   public static int[] getConcatenation(int[] nums) {
 
-        int n = nums.length; //Creates a variable named n that is the length of nums
-        int[] ans = new int[2 * n]; //Creates a new array that is double the size of n.
+    int n = nums.length; // Creates a variable named n that is the length of nums
+    int[] ans = new int[2 * n]; // Creates a new array that is double the size of n.
 
-
-        for (int i = 0; i < n; ++i) {
-            ans[i] = nums[i]; //Gets the first half of the int array
-            ans[i + n] = nums[i]; //Gets the second half of the int array
-        }
-        return ans;
+    for (int i = 0; i < n; ++i) {
+      ans[i] = nums[i]; // Gets the first half of the int array
+      ans[i + n] = nums[i]; // Gets the second half of the int array
     }
+    return ans;
+  }
 
- 
-    public static void main(String[] args) {
-         
-        //Creates an instance of the solution class
-        //We need this because getConcatenation() is a method that is non-static meaning we need and object of Solution to use it. 
-        //This would be unneeded if getConcatenation() was static
-
+  public static void main(String[] args) {
 
-        int[] nums = {1, 2, 3, 4}; //Array of nums based on Test input
-        int[] result = getConcatenation(nums); //calls the getConcatenation method giving it the array of nums.
+    // Creates an instance of the solution class
+    // We need this because getConcatenation() is a method that is non-static meaning we need and
+    // object of Solution to use it.
+    // This would be unneeded if getConcatenation() was static
 
+    int[] nums = {1, 2, 3, 4}; // Array of nums based on Test input
+    int[] result =
+        getConcatenation(nums); // calls the getConcatenation method giving it the array of nums.
 
-        //Prints result out.
+    // Prints result out.
 
-        //You need to loop out the result because we want to display the contents of an array which means we need to call each instance in it. This is easily done by using the for else loop to run until it is returned false.
-        for (int num: result) {
-            System.out.print(num + " ");
-        }
+    // You need to loop out the result because we want to display the contents of an array which
+    // means we need to call each instance in it. This is easily done by using the for else loop to
+    // run until it is returned false.
+    for (int num : result) {
+      System.out.print(num + " ");
     }
-}
 
+    String[] words = {
+      "leet", "code", "hello", "world"
+    }; // Creates an Array named words that contains a series of strings.
 
+    char x = 'e'; // Calls for a specific char
+    System.out.println(findWordsContaining(words, x)); // Prints out findWordsContaining method
   }
 
   /**
    * Provide the solution to LeetCode 2942 here:
    * https://leetcode.com/problems/find-words-containing-character/
    */
-  public List<Integer> findWordsContaining(String[] words, char x) {
-    return null;
+  public static List<Integer> findWordsContaining(String[] words, char x) {
+    ArrayList<Integer> elListo = new ArrayList<>(); // Create an arraylist named ElListo
+
+    // Runs a loop that will iterate through each character in the word.
+    for (int i = 0; i < words.length; i++) {
+      if (words[i].indexOf(x) != -1) { // will check to see if 'x' exists inside of the word
+        elListo.add(i); // Stores the index if it is true that it has that character
+      }
+    }
+    return elListo; // Will return elListo ArrayList to main
   }
 }