From e324fcb9300c79b0487369c58221bad1a4142b7e Mon Sep 17 00:00:00 2001
From: Lucas Holter <lucas.holter@hotmail.com>
Date: Wed, 6 Aug 2025 13:14:26 +0200
Subject: [PATCH] Solution

---
 .../java/com/booleanuk/core/Exercise.java     | 29 +++++++++++++++----
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/src/main/java/com/booleanuk/core/Exercise.java b/src/main/java/com/booleanuk/core/Exercise.java
index d31a45c..06210a9 100644
--- a/src/main/java/com/booleanuk/core/Exercise.java
+++ b/src/main/java/com/booleanuk/core/Exercise.java
@@ -43,7 +43,9 @@ public ArrayList<Integer> getFavouriteNumbers() {
         TODO: 1. Create a method named getSecondNumber that returns a whole number. It must return the
            second number contained in the list that is returned from getFavouriteNumbers
      */
-
+    public int getSecondNumber(){
+        return getFavouriteNumbers().get(1);
+    }
 
 
     /*
@@ -55,7 +57,12 @@ public ArrayList<Integer> getFavouriteNumbers() {
          Use the ArrayList's replaceAll method to iterate through the ArrayList and replace each value with its double
          https://www.programiz.com/java-programming/library/arraylist/replaceall
      */
-
+    public ArrayList<Integer> multiply(ArrayList<Integer> list, int num){
+        for(int i = 0; i < list.size(); i++){
+            list.set(i, list.get(i)*num);
+        }
+        return list;
+    }
 
 
     /*
@@ -63,7 +70,9 @@ public ArrayList<Integer> getFavouriteNumbers() {
          - A list of strings
          The method must return a boolean that indicates whether the provided list is empty or not
      */
-
+    public boolean isEmpty(ArrayList<String> strs){
+        return strs.isEmpty();
+    }
 
 
     /*
@@ -72,7 +81,10 @@ public ArrayList<Integer> getFavouriteNumbers() {
          - A string
          The method must add the second parameter into the list provided and then return the list
      */
-
+    public ArrayList<String> addIngredient(ArrayList<String> strs, String str){
+        strs.add(str);
+        return strs;
+    }
 
 
     /*
@@ -81,7 +93,10 @@ public ArrayList<Integer> getFavouriteNumbers() {
          - A string
          The method must remove the second parameter from the list and then return the list
      */
-
+    public ArrayList<String> removeIngredient(ArrayList<String> strs, String str){
+        strs.remove(str);
+        return strs;
+    }
 
 
     /*
@@ -90,7 +105,9 @@ public ArrayList<Integer> getFavouriteNumbers() {
          - A string
          The method must return a boolean that indicates whether the second parameter exists in the provided list
      */
-
+    public boolean containsIngredient(ArrayList<String> strs, String str){
+        return strs.contains(str);
+    }
 
 
 }