Sara Alshahrani

Day4SaraPlayground.playground/Contents.swift

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+import UIKit
+
+
+//Task 1
+class Shape {
+    func area() -> Double {
+        return 0
+    }
+
+    func volume () -> Double {
+        return 0
+    }
+}
+
+
+class Circle: Shape {
+    let radius: Double
+    let pi: Double = 3.14
+
+    init(radius: Double) {
+        self.radius = radius
+    }
+
+    override func area() -> Double {
+        return pi * radius * radius
+    }
+
+    override func volume() -> Double {
+        return 2.0 * pi * radius
+    }
+
+}
+
+
+var circle: Circle = Circle(radius: 10)
+print("Area of circle with radio 10:")
+print(circle.area())
+
+
+class tringle : Shape {
+
+   var base : Double
+   var heght : Double
+    init ( base : Double , heght : Double ) {
+        self .  base = base
+        self .  heght = heght
+        super.init ( )
+
+    }
+    override func area () -> Double {
+        return 1 / 2 * ( base * heght )
+
+    }
+    override func volume () -> Double {
+        0
+    }
+}
+
+        class sequare : Shape  {
+            var height : Double
+            var width  : Double
+            init (height : Double , width : Double) {
+
+                self . height = height
+                self .width = width
+                super.init ()
+            }
+            override func area () -> Double {
+            return ( height * width )
+
+            }
+            override func volume () -> Double {
+                0
+            }
+
+        }
+// task 2
+struct Books {
+    var title : String = ""
+    var author : String = ""
+    var pages : Int = 0
+    var price : Double = 0.0
+}
+
+    // task 3
+
+var favoriteBook  = Books ()
+  print(favoriteBook .title)
+
+do {
+    favoriteBook .title = "The Doctor's Diet"
+    favoriteBook .author = "Travis Lana Stork"
+    favoriteBook .pages = 230
+    favoriteBook .price = 50
+}
+print (("title: \(favoriteBook.title) author: \(favoriteBook.author ) pages: \(favoriteBook.pages) price \(favoriteBook.price)"))
+
+ //task4
+  let numbers:[Int] = [1,2,3,4,5,6]
+  var min = numbers.min()
+  var max = numbers.max()
+  var sum: Int = 0
+
+ for number in numbers {
+      sum = sum + number
+  }
+      print ("The sum of al1 numbers is:")
+      print (sum)
+
+      print( "min is:")
+      print (min)
+
+      print ("max is:")
+      print (max)
+
+
+//5 Task
+  class Distance {
+
+        var feet : Int
+        var inches : Int
+
+      init() {
+         feet = 0
+         inches = 0
+
+      }
+
+      init (feet: Int , inches: Int) {
+          self.feet = feet
+          self.inches = inches
+
+      }
+
+          func displayInInches() -> Int {
+          return inches
+  }
+  }
+
+  var distance = Distance()
+print("Distance: \(distance.displayInInches())")
+var distance2 = Distance(feet: 7 ,inches: 8)
+print ("Distance2: \(distance2.displayInInches())")

Day4SaraPlayground.playground/contents.xcplayground

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+<?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>

Day4SaraPlayground.playground/xcuserdata/saram.xcuserdatad/xcschemes/xcschememanagement.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>Day4SaraPlayground (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>