Constructors Gustav Roll

Boolean.CSharp.Main/Core.cs

@@ -23,14 +23,14 @@ public Car()
                     _model = string.Empty;
                     _make = string.Empty;       
                 }
-                public Car(string Make)
+                public Car(string Make, string )
                 {
                     _make = Make;
                     _model = string.Empty;
                 }
             */
 
-            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
@@ -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(5);
 
             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("Gustav");
 
 
 
@@ -132,10 +132,12 @@ 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
-
-           //write code here 
+
+            //write code here 
+
+            plane.FlightDetails("Flight is cancelled!");
 
             return plane;
         }

Boolean.CSharp.Main/Extension.cs

@@ -3,6 +3,7 @@
 
 
 using System.Reflection.Metadata.Ecma335;
+using System.Text;
 
 namespace Boolean.CSharp.Main
 {
@@ -12,18 +13,71 @@ 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 number1, float number2)
+        {
+            return number1 + number2;
+        }
 
         //TODO: 2. add, which accepts two doubles and returns a double (both doubles added together)
+        public double add(double number1, double number2)
+        {
+            return number1 + number2;
+        }
 
         //TODO: 3. subtract, which accepts two floats and returns a float (first float minus second float)      
-
+        public float subtract(float number1, float number2)
+        {
+            return number1 - number2;
+        }
         //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 string1, char char1) 
+        {
+            StringBuilder stringbuilder = new StringBuilder();
+
+            foreach (char c in string1)
+            {
+                if (c != char1)
+                {
+                    stringbuilder.Append(c);
+                }
+            }
+            return stringbuilder.ToString();
+        }
         //TODO: 5. multiply, which accepts two ints and returns an int (first int multiplied by second int)
-
+        public int multiply(int number1, int number2)
+        {
+            return number1 * number2;
+        }
         //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"
+        public string multiply(string string1, int number1) 
+        {
+            StringBuilder stringbuilder = new StringBuilder();
+
+            for (int i= 0; i < number1; i++)
+            {
+                stringbuilder.Append(string1);
+
+                if (i < number1 - 1)
+                {
+                    stringbuilder.Append(",");
+                }
+
+            }
+            return stringbuilder.ToString();
+        }
 
         //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[] stringNumbers, int multiplier) 
+        {
+            int[] resultArray = new int[stringNumbers.Length];
 
+            for (int i= 0;i < stringNumbers.Length; i++)
+            {
+                int numberToMutiply = int.Parse(stringNumbers[i]);
+                resultArray[i] = numberToMutiply * multiplier;
+            }
+            return resultArray;
+        }
+
     }
 }

Boolean.CSharp.Main/Misc/Bicycle.cs

@@ -10,6 +10,14 @@ public class Bicycle
     {
         private int _wheelCount;
 
-        public int WheelCount { get; set; }
+        public int WheelCount 
+        {
+            get { return _wheelCount; } 
+            set { _wheelCount = value; }
+        }
+        public Bicycle(int wheelCoult) 
+        {
+            WheelCount = wheelCoult;
+        }
     }
 }

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 { get => _make; set => _make = value; }

Boolean.CSharp.Main/Misc/Motorbike.cs

@@ -11,7 +11,7 @@ public class Motorbike
     {
         private string _make;
         private string _model;
-        private int _cc = 0;
+        private int _cc = 373;
 
 
         public Motorbike()
@@ -21,14 +21,15 @@ public Motorbike()
             _model = string.Empty;
         }
         public Motorbike(string Make, string Model)
-        {            
+        {
+            _cc = 373;
             _make = Make;
             _model = Model;         
 
         }
         public string Make { get; }
         public string Model { get; }
-        public int CC { get; }
+        public int CC { get { return _cc; } }
 
     }
 }

Boolean.CSharp.Main/Misc/Unicycle.cs

@@ -12,5 +12,11 @@ public class Unicycle
 
         public string NameOfUnicyclist { get => _nameOfUnicyclist; set => _nameOfUnicyclist = value; }
         public int WheelCount { get; set; } = 1;
+
+        public Unicycle(string nameOfUnicyclist)
+        {
+            NameOfUnicyclist = nameOfUnicyclist;
+        }
+
     }
 }