Roman Eriksen

Boolean.CSharp.Main/Core.cs

@@ -30,7 +30,7 @@ public Car(string Make)
                 }
             */
 
-            Car car = new Car("Volkswagen");
+            Car car = new Car("Volkswagen", "Beetle");
             /*  When the car in instantiated, the constructor is passed a string
              in this case Volkswagen which is a Make of car is passed in.
              Within the constructor the 'string Make' variable has scope within the constructor and assiged to the _make member now visible to the whole class
@@ -75,7 +75,7 @@ Having to 2 constructors is an example of Overloading.
 
              */
             //TODO 2. Ensure both constructors on the Motorbike class set the cc of the Motorcycle to 373.
-            Motorbike myMotorbike = new Motorbike("KTM", "Duke");
+            Motorbike myMotorbike = new Motorbike(373, "KTM", "Duke");
 
             if(myMotorbike.CC > 0)
             {
@@ -92,7 +92,7 @@ public Bicycle Question3()
             //See there is somewhere to store the number of wheels the bike has 
             //but no constructor to set this
             //TODO: 3. Add a constructor to the Bicycle class that populates the _wheelCount variable
-            Bicycle bike = new Bicycle();
+            Bicycle bike = new Bicycle(3);
 
             return bike;
 
@@ -108,7 +108,7 @@ public Unicycle Question4()
 
             //TIP  see we already have an internal member for the unicyclist name:  _nameOfUnicyclist so you can use this to store the name internally
             //      it is good practice to name internal class variable with an _ at the beginning
-            Unicycle unicycle = new Unicycle();
+            Unicycle unicycle = new Unicycle("Roman");
 
 
 
@@ -132,8 +132,9 @@ What are the parameters and types?
              */
             Aeroplane plane = new Aeroplane();            
             plane.FlightDetails("LHR", "JFK");
-            
+
             //TODO:  5.  Call the FlightDetails method that sets the cancelled message and  cancel the flight
+            plane.FlightDetails("flight DZ708 LHR to JFK is cancelled");
 
            //write code here 
 

Boolean.CSharp.Main/Extension.cs

@@ -2,6 +2,7 @@
 
 
 
+using System.Numerics;
 using System.Reflection.Metadata.Ecma335;
 
 namespace Boolean.CSharp.Main
@@ -12,18 +13,57 @@ public class Extension
         //Implement the following methods:
 
         //TODO: 1. add, which accepts two floats and returns a float (both floats added together)
+        public float add(float a, float b)
+        {
+            return a + b;
+        }
 
         //TODO: 2. add, which accepts two doubles and returns a double (both doubles added together)
+        public double add(double a, double b)
+        {
+            return a + b;
+        }
 
-        //TODO: 3. subtract, which accepts two floats and returns a float (first float minus second float)      
+        //TODO: 3. subtract, which accepts two floats and returns a float (first float minus second float)
+        public float subtract(float a, float b)
+        {
+            return a - b;  
+        }
 
-        //TODO: 4. subtract, which accepts a String and a char and returns a string with all instances of the provided char removed        
+        //TODO: 4. subtract, which accepts a String and a char and returns a string with all instances of the provided char removed
+        public string subtract(string str, char chr)
+        {
+            string newstr = str.Replace(chr.ToString(), null);
+            return newstr;
+        }
 
         //TODO: 5. multiply, which accepts two ints and returns an int (first int multiplied by second int)
+        public int multiply(int a, int b)
+        {
+            return a * b;
+        }
 
         //TODO: 6. multiply, which accepts a string and an int, and returns a string containing the provided string as many times as the provided int separated by a comma. E.g. multiply("Hello", 3) -> "Hello,Hello,Hello"
-
-        //TODO: 7. multiply, which accepts an array of Strings that each contain a number, and an int. The method should return an array of ints that contain the value of multiplying each String number by the provided int E.g. multiply(["2", "7", "3"], 3) -> [6, 21, 9]
+        public string multiply(string a, int b)
+        {
+            string newstr = a;
+            for (int i = 0; i < b-1; i++)
+            {
+                newstr = newstr + "," + a;
+            }
+
+            return newstr;
+        }
 
+        //TODO: 7. multiply, which accepts an array of Strings that each contain a number, and an int. The method should return an array of ints that contain the value of multiplying each String number by the provided int E.g. multiply(["2", "7", "3"], 3) -> [6, 21, 9]
+        public int[] multiply(string[] a, int b)
+        {
+            int[] lst = new int[a.Length];
+            for (int i = 0; i < a.Length; i++)
+            {
+                lst[i] = int.Parse(a[i]) * b; 
+            }
+            return lst;
+        }
     }
 }

Boolean.CSharp.Main/Misc/Bicycle.cs

@@ -11,5 +11,16 @@ public class Bicycle
         private int _wheelCount;
 
         public int WheelCount { get; set; }
+
+
+        public Bicycle()
+        {
+            WheelCount = 2;
+        }
+        public Bicycle(int wheelCount) 
+        { 
+            WheelCount = wheelCount;
+        }
     }
+
 }

Boolean.CSharp.Main/Misc/Car.cs

@@ -17,10 +17,10 @@ public Car()
             _model = string.Empty;
             _make = string.Empty;
         }
-        public Car(string Make)
+        public Car(string Make, string Model)
         {
             _make = Make;
-            _model = string.Empty;
+            _model = Model;
         }
 
         public string Make

Boolean.CSharp.Main/Misc/Motorbike.cs

@@ -20,8 +20,9 @@ public Motorbike()
             _model = string.Empty;
         }
 
-        public Motorbike(string Make, string Model)
+        public Motorbike(int cc, string Make, string Model)
         {
+            _cc = cc;
             _make = Make;
             _model = Model;
         }

Boolean.CSharp.Main/Misc/Unicycle.cs

@@ -12,5 +12,10 @@ public class Unicycle
 
         public string NameOfUnicyclist { get => _nameOfUnicyclist; set => _nameOfUnicyclist = value; }
         public int WheelCount { get; set; } = 1;
+
+        public Unicycle(string name) 
+        { 
+            _nameOfUnicyclist = name;
+        }
     }
 }

Boolean.CSharp.Test/ExtensionTests.cs

@@ -63,6 +63,8 @@ public void TestQuestion4()
             Extension extension = new Extension();
 
             string result = extension.subtract(source, z);
+            Console.WriteLine(result);
+
 
             Assert.IsTrue(result == "the quick brown fox jumps over the lay dog");
         }