feat: LeetCode 1929 only - by Dwight Blue

Author: cdbluejr

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

@@ -9,14 +9,31 @@ public class Lesson11 {
    * https://leetcode.com/problems/concatenation-of-array
    */
   public int[] getConcatenation(int[] nums) {
-    return null;
-  }
+    int n = nums.length;
+    int[] ans = new int[n*2];
+
+    for (int i=0; i<n; i++) {
+      ans[i]=nums[i];
+      ans[i+n]=nums[i];
+      } return ans;
+    } 
+  
 
   /**
    * 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;
-  }
+    int originalArray = words.length;
+    // int newValue = (originalArray + 1);
+
+    int[] newArray = new int[originalArray.length + 1];
+    
+    for (int i=0; i<originalArray; i++) {
+      if (boolean CC=originalArray[i].contains(Character.toString(x)));
+      System.arraycopy(originalArray,i,newArray,i,originalArray.length);
+
+    }
+    return newArray;
+  
 }