From 5e1925f762675585e36a42119e94d45686c2f691 Mon Sep 17 00:00:00 2001
From: Richard Persson <ricpersson00@gmail.com>
Date: Wed, 6 Aug 2025 15:23:16 +0200
Subject: [PATCH] Completed Excercise

---
 .../java/com/booleanuk/core/Exercise.java     | 27 ++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/booleanuk/core/Exercise.java b/src/main/java/com/booleanuk/core/Exercise.java
index d31a45c..3d7662b 100644
--- a/src/main/java/com/booleanuk/core/Exercise.java
+++ b/src/main/java/com/booleanuk/core/Exercise.java
@@ -3,6 +3,7 @@
 import com.booleanuk.helpers.ExerciseBase;
 
 import java.util.ArrayList;
+import java.util.function.Consumer;
 
 public class Exercise extends ExerciseBase {
     /*
@@ -44,6 +45,9 @@ public ArrayList<Integer> getFavouriteNumbers() {
            second number contained in the list that is returned from getFavouriteNumbers
      */
 
+    public int getSecondNumber(){
+        return getFavouriteNumbers().get(1);
+    }
 
 
     /*
@@ -56,6 +60,12 @@ public ArrayList<Integer> getFavouriteNumbers() {
          https://www.programiz.com/java-programming/library/arraylist/replaceall
      */
 
+    public ArrayList<Integer> multiply(ArrayList<Integer> list, int multiplier) {
+
+        list.replaceAll(x -> x*multiplier);
+        return list;
+    }
+
 
 
     /*
@@ -64,8 +74,9 @@ public ArrayList<Integer> getFavouriteNumbers() {
          The method must return a boolean that indicates whether the provided list is empty or not
      */
 
-
-
+    public boolean isEmpty(ArrayList<String> list) {
+        return list.isEmpty();
+    }
     /*
         TODO: 4. Create a method named addIngredient that accepts two parameters in this order:
          - A list of strings
@@ -73,6 +84,10 @@ public ArrayList<Integer> getFavouriteNumbers() {
          The method must add the second parameter into the list provided and then return the list
      */
 
+    public ArrayList<String> addIngredient(ArrayList<String> list, String ingredient) {
+        list.add(ingredient);
+        return list;
+    }
 
 
     /*
@@ -82,7 +97,10 @@ public ArrayList<Integer> getFavouriteNumbers() {
          The method must remove the second parameter from the list and then return the list
      */
 
-
+    public ArrayList<String> removeIngredient(ArrayList<String> list, String ingredient) {
+        list.remove(ingredient);
+        return list;
+    }
 
     /*
         TODO: 6. Create a method named containsIngredient that accepts two parameters in this order:
@@ -91,6 +109,9 @@ public ArrayList<Integer> getFavouriteNumbers() {
          The method must return a boolean that indicates whether the second parameter exists in the provided list
      */
 
+    public boolean containsIngredient(ArrayList<String> list, String ingredient) {
 
+        return list.contains(ingredient);
 
+    }
 }