pause at 3:00

C# Full Course for free/13.methods.md

@@ -23,3 +23,62 @@ Console.WriteLine("Happy birthday to you" + name)
 Console.WriteLine("you are " + age + "years old")
 }
 ```
+
+## return
+
+```C#
+double x = 5.3;
+double y = 3;
+
+double result = Multiply(x,y)
+
+static double Multiply(double x, double y){
+    double z = x * y;
+    return z;
+}
+```
+
+## method overloading
+
+```C#
+double x = 5.3;
+double y = 3;
+double z = 3;
+
+double result = Multiply(x,y)
+// Will return the first Multiply method
+double result = Multiply(x,y,z)
+// Will return the second Multiply method
+
+static double Multiply(double x, double y){
+    double z = x * y;
+    return z;
+}
+
+static double Multiply(double a, double b, double c){
+    double z = x * y;
+    return z;
+}
+```
+
+## params
+
+params keyword a method parameter that takes a variale number of arguments.
+the parameter type must be a single - dimensional array
+
+```C#
+
+double total = CheckOut(3.99, 5,75, 15);
+
+static double Checkout(params double[] prices){
+
+    double total =0;
+    foreach(double price in prices)
+    {
+        total += prices;
+    }
+
+return total;
+}
+```
+