Refactor: Removed Main method and test cases. Also made comments cleaning

Author: Dlafferty251

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

@@ -10,58 +10,32 @@ public class Lesson11 {
    * https://leetcode.com/problems/concatenation-of-array
    */
   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.
+    // Creates a variable named n that is the length of nums
+    int n = nums.length;
+    // Creates a new array that is double the size of n.
+    int[] ans = new int[2 * 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
+      // Gets the first half of the int array
+      ans[i] = nums[i];
+      // Gets the second half of the int array
+      ans[i + n] = nums[i];
     }
     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
-
-    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.
-
-    // 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 static List<Integer> findWordsContaining(String[] words, char x) {
-    ArrayList<Integer> elListo = new ArrayList<>(); // Create an arraylist named ElListo
+    // Create an arraylist named arrList
+    ArrayList<Integer> arrList = new ArrayList<>(); 
 
     // 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
+      // will check to see if 'x' exists inside of the word
+      if (words[i].indexOf(x) != -1) { 
+        // Stores the index if it is true that it has that character
+        arrList.add(i); 
       }
     }
-    return elListo; // Will return elListo ArrayList to main
+    return arrList;
   }
 }

lesson_11/arrays_ts/src/lesson11.ts

@@ -5,14 +5,11 @@
 */
 export function getConcatenation(nums: number[]): number[] {
  const n = nums.length; //Creates a variable named n that is the length of nums
- const ans: number[] = new Array(2 * n); //Creates a new array that is double the size of n
-
+ const ans = new Array(2 * n); //Creates a new array that is double the size of n
 
  for(let i = 0; i < n; ++i) {
    ans[i] = nums[i];
    ans[i + n] = nums[i];
-
-
  }
  return ans;
 }
@@ -23,28 +20,14 @@ export function getConcatenation(nums: number[]): number[] {
 * https://leetcode.com/problems/find-words-containing-character/
 */
 export function findWordsContaining(words: string[], x: string): number[] {
- const elListo: number[] = [] //creates a new array named elListo
-
+ //creates a new array list names arrList
+ const arrList: number[] = [] 
 
  //Runs a loop that will iterate through each character in the String.
  for (let i = 0; i < words.length; ++i) {
    if (words[i].includes(x)) { //Checks to see if the word inclues the char 'x'
-     elListo.push(i); //Pushes the index of i if it is true that the word contains that character
-    
+     arrList.push(i); //Pushes the index of i if it is true that the word contains that character
    }
- } return elListo; //Will return the Array elListo
+ } return arrList; //Will return the Array elListo
 }
 
-
-//Test Cases
-
-
-const nums: number[] = [1, 2 , 3, 4]; //Array of numbers based on test case
-const result: number[] = getConcatenation(nums);
-console.log(result.join(' '))//Prints the test result out for the fet concatentaition method
-
-
-const words: string[] = ['leet', 'code', 'hello', 'world']; //Array of strings based on test case
-const x = 'e'; //Calls for a specific char
-console.log(findWordsContaining(words, x));
-