diff --git a/src/main/java/com/booleanuk/core/Exercise.java b/src/main/java/com/booleanuk/core/Exercise.java
index 7987028..dd89f18 100644
--- a/src/main/java/com/booleanuk/core/Exercise.java
+++ b/src/main/java/com/booleanuk/core/Exercise.java
@@ -51,20 +51,27 @@ public Exercise(int age) {
         Create a constructor that accepts both a String and an int as parameters, in that order, and assign the values
         provided to the name and age members
      */
-
+    public Exercise(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
 
 
     /*
         2. Create a method named add that accepts two integers. The method should return the numbers added together.
      */
-
+    public int add(int one, int two) {
+        return Integer.sum(one, two);
+    }
 
 
     /*
         3. Create another method named add that accepts two Strings. The method should return the strings concatenated
         together with a space in between.
      */
-
+    public String add(String one, String two) {
+        return one.concat(" "+two);
+    }
 
 
 }
diff --git a/src/main/java/com/booleanuk/extension/Extension.java b/src/main/java/com/booleanuk/extension/Extension.java
index 62b878f..8dd41bf 100644
--- a/src/main/java/com/booleanuk/extension/Extension.java
+++ b/src/main/java/com/booleanuk/extension/Extension.java
@@ -26,5 +26,17 @@ public class Extension extends ExtensionBase {
         multiply(["2", "7", "3"], 3) -> [6, 21, 9]
      */
 
+    public String multiply (String s, int i) {
+        String test = "";
+        for (int x = 0; x < i; x++) {
+            if (x != i-1) {
+                test = test + s+ ',';
+            } else {
+                test = test + s;
+            }
+        }
+        return test;
+    }
+
 
 }