completed

Author: Marcus0410

src/main/java/com/booleanuk/core/Exercise.java

@@ -51,19 +51,30 @@ 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 a, int b) {
+        return a + b;
+    }
 
 
 
     /*
         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 a, String b) {
+        return a + " " + b;
+    }
 
 
 

src/main/java/com/booleanuk/extension/Extension.java

@@ -26,5 +26,41 @@ public class Extension extends ExtensionBase {
         multiply(["2", "7", "3"], 3) -> [6, 21, 9]
      */
 
+    public float add(float a, float b) {
+        return a + b;
+    }
 
+    public double add(double a, double b) {
+        return a + b;
+    }
+
+    public float subtract(float a, float b) {
+        return a - b;
+    }
+
+    public String subtract(String s, char c) {
+        return s.replace(""+c,"");
+    }
+
+    public int multiply(int a, int b) {
+        return a * b;
+    }
+
+    public String multiply(String s, int n) {
+        String res = s;
+        for (int i = 0; i < n - 1; i++) {
+            res += "," + s;
+        }
+        return res;
+    }
+
+    public int[] multiply(String[] nums, int n) {
+        int[] result = new int[nums.length];
+
+        for (int i = 0; i < nums.length; i++) {
+            result[i] = Integer.parseInt(nums[i]) * n;
+        }
+
+        return result;
+    }
 }