day4

MyPlayground lab 4.playground/Contents.swift

@@ -0,0 +1,115 @@
+import UIKit
+import Darwin
+
+var greeting = "Hello, playground"
+
+
+class shape {
+    func volume () ->Double {
+        return 0
+    }
+    func arae () -> Double{
+        return 0
+    }
+}
+class circle : shape {
+        var bi = Double().self
+
+    init(bi: Double) {
+         self.bi = bi
+            super.init()
+        }
+}
+    class tringle : shape {
+    var base :Double
+    var height : Double
+
+        init (base: Double , height: Double){
+    self.base = base
+    self .height = height
+
+            super.init()}
+
+        override func arae() -> Double{
+        return 0.5*(base*height)
+        }
+
+        override func volume() -> Double {
+            return 0
+        }
+    }
+        class square:shape {
+            var height : Double = 0.0
+            var width : Double = 0.0
+            init(height:Double , width:Double){
+                self.height = height
+                self.width = width
+                super.init()
+            }
+            override func arae() -> Double {
+                return (height*width)
+                func volume()->Double{
+                    0
+                }
+            }
+        }
+// task 2
+
+                struct Book {
+                    var title : String = ""
+                    var auther : String = ""
+                    var pages : Int = 0
+                    var price : Double = 0.0
+
+                }
+
+
+
+// task 3
+            var favoriteBook = Book()
+print(favoriteBook.title)
+
+print(favoriteBook.title = "the power of now")
+print (favoriteBook.auther = "Eckhart tolle")
+print (favoriteBook.pages = 233)
+print (favoriteBook.price = 100)
+
+
+//task 4
+let numbers:[Int] = [1,2,3,4,5,6]
+let min = numbers.min()
+let max = numbers.max()
+var sum: Int = 0
+
+for number in numbers {
+    sum = sum + number
+}
+    print ("the sum of all numbers is :")
+    print (sum)
+
+ print ("min is;")
+print;(min)
+
+ print ("max in;")
+print;(max)
+
+//task 5
+class Distance {
+    var feet :Float
+    var inches :Float
+    init (feet :Float ,inches : Float){
+        self.feet = feet
+        self.inches = inches
+    }
+
+func format () -> String {
+    let string = "\(feet)ft , \(inches)"
+    return string
+}
+}
+    let distance = Distance(feet: 0.0 , inches: 0.0)
+    print(distance.format())
+    let anotherDistance = Distance(feet: 3.2, inches: 4.5)
+    print(anotherDistance.format())
+
+

MyPlayground lab 4.playground/contents.xcplayground

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios' buildActiveScheme='true' importAppTypes='true'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>