diff --git a/domain.md b/domain.md
new file mode 100644
index 00000000..976892ed
--- /dev/null
+++ b/domain.md
@@ -0,0 +1,11 @@
+| `Classes` | `Member`                          | `Methods`                       | `Scenario`               | `Outcome`                                       |
+|-----------|-----------------------------------|---------------------------------|--------------------------|-------------------------------------------------|
+| `Basket`  | `Hashmap<String, Integer> bagels` | `add(String bagel, int num)`    | Bagel-key already exists | Return true, Bagel number is incremented by num |
+|           | `int capacity`                    |                                 | Bagel-key does not exist | Return true, Bagel key is created with value    |
+|           |                                   |                                 | Basket is full           | Return false 
+|           |                                   | `remove(String bagel, int num)` | Bagel-key exists         | Return true, Bagel value is decremented by num  |
+|           |                                   |                                 | Bagel-key does not exist | Return false                                    |
+|           |                                   | `checkCapacity()`               | Basket is full           | Return false                                    |
+|           |                                   |                                 | Basket is not full       | Return true                                     |
+|           |                                   | `incCapacity(int num)`          | Capacity value exists    | Capacity increases by num                       |
+
diff --git a/src/main/java/com/booleanuk/core/Basket.java b/src/main/java/com/booleanuk/core/Basket.java
index df7a20aa..f3414853 100644
--- a/src/main/java/com/booleanuk/core/Basket.java
+++ b/src/main/java/com/booleanuk/core/Basket.java
@@ -1,5 +1,66 @@
 package com.booleanuk.core;
+import java.util.HashMap;
 
 public class Basket {
+    HashMap<String, Integer> bagels = new HashMap<String, Integer>();
+    int capacity;
 
+    public Basket(int num){
+        capacity=num;
+    }
+
+    public boolean add(String bagel, int num){
+        if (!(bagels.containsKey(bagel) & checkCapacity())){
+            bagels.put(bagel, 0);
+        }
+
+         for (int i=0; i<num; i++){
+             if (checkCapacity()) {
+                 bagels.replace(bagel, bagels.get(bagel) + 1);
+
+             }
+             else {
+             System.out.println("The basket is full");
+             return false;
+             }
+         }
+         return true;
+
+
+
+    }
+
+    public boolean remove(String bagel, int num){
+        if (bagels.containsKey(bagel)){
+            if (bagels.get(bagel)==0){
+                System.out.println("The basket does not contain this bagle type");
+                return false;
+            }
+
+            bagels.replace(bagel, bagels.get(bagel)-num);
+            return true;
+        }
+        else{
+            System.out.println("The basket does not contain this bagle type");
+            return false;
+        }
+    }
+
+    public boolean checkCapacity(){
+        int num=0;
+        for (String key: bagels.keySet()){
+            num+=bagels.get(key);
+
+            if (num>=capacity){
+                return false;
+            }
+        }
+        return true;
+
+    }
+
+    public boolean incCapacity(int num){
+        capacity+=num;
+        return true;
+    }
 }
diff --git a/src/test/java/com/booleanuk/core/BasketTest.java b/src/test/java/com/booleanuk/core/BasketTest.java
index e35771b3..7dfecce8 100644
--- a/src/test/java/com/booleanuk/core/BasketTest.java
+++ b/src/test/java/com/booleanuk/core/BasketTest.java
@@ -4,5 +4,79 @@
 import org.junit.jupiter.api.Test;
 
 class BasketTest {
+    public BasketTest(){
+
+    }
+
+    @Test
+    public void testAddExists(){
+        Basket basket= new Basket(10);
+        Assertions.assertTrue(basket.add("Nice bagel", 5));
+    }
+
+    @Test
+    public void testRemoveExists(){
+        Basket basket= new Basket(10);
+        Assertions.assertFalse(basket.remove("Nice bagel", 5));
+    }
+
+
+    @Test
+    public void testCapacityExists(){
+        Basket basket= new Basket(10);
+        Assertions.assertTrue(basket.checkCapacity());
+    }
+
+
+    @Test
+    public void testIncCapacityExists(){
+        Basket basket= new Basket(10);
+        Assertions.assertTrue(basket.incCapacity(10));
+    }
+
+    // testing User story 1
+    @Test
+    public void testAdd(){
+        Basket basket= new Basket(10);
+        Assertions.assertTrue(basket.add("Nice bagel", 5));
+        Assertions.assertTrue(basket.add("Nice bagel", 5));
+    }
+
+    // testing User story 2 & 5
+    @Test
+    public void testRemove(){
+        Basket basket= new Basket(10);
+        basket.add("Nice bagel", 5);
+        Assertions.assertTrue(basket.remove("Nice bagel", 1));
+        Assertions.assertFalse(basket.remove("Fine bagel", 1));
+    }
+
+    // testing User story 3
+    @Test
+    public void testAddingtoFull(){
+        Basket basket= new Basket(10);
+        basket.add("Nice bagel", 9);
+        Assertions.assertFalse(basket.add("Nice bagel", 2));
+    }
+
+    // testing User story 3
+    @Test
+    public void testCheckCapacity(){
+        Basket basket= new Basket(10);
+        basket.add("Nice bagel", 5);
+        basket.add("Nice bagel", 5);
+        Assertions.assertFalse(basket.checkCapacity());
+    }
+
+    // testing User story 4
+    @Test
+    public void testIncCapacity(){
+        Basket basket= new Basket(10);
+        Assertions.assertTrue(basket.incCapacity(5));
+    }
+
+
+
+
 
 }