swift3

Author: hussienalrubaye

Swift 3/Arrays.playground/Contents.swift

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+//: Playground - noun: a place where people can play
+//direct//intial,access, print append remove
+import UIKit
+
+//without array
+print("without array")
+ var n1=10
+ var n2=20
+ var n3=30
+ var n4=40
+print(n1)
+print(n2)
+print(n3)
+print(n4)
+
+// with array
+print("with array")
+var ar=[10,20,30,40]
+for item in ar{
+    print(item)
+}
+print("print with index")
+for index in 0...3 {
+    print(ar[index])
+}
+/// array other
+
+var ar2:[Any] = [10,3.4, "hello"]
+var ar3:[String] = ["10","3.4", "hello"]
+
+
+var jobs = [String]() //var jobs1 = Array<String>()
+jobs.append("engineer")
+jobs.append("developer")
+jobs.append("tester")
+jobs.remove(at: 1)
+
+
+
+
+
+
+
+
+
+
+
+
+
+

Swift 3/Arrays.playground/contents.xcplayground

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>

Swift 3/Arrays.playground/playground.xcworkspace/contents.xcworkspacedata

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+//: Playground - noun: a place where people can play
+
+import UIKit
+//
+
+class Car{
+    //properties
+    var type:String?
+    var model:Int?
+    var price:Double?
+    var MilesDrive:Int?
+    var Owner:String?
+    
+    
+    //methods
+    
+    func GetPrice() -> Double {
+        
+        let NewPrice = price! -  (Double)( MilesDrive! * 10 )
+        return NewPrice
+    }
+    
+    func GetOwner() -> String {
+        return Owner!
+    }
+    //init
+    
+    init(type:String,model:Int,price:Double,MilesDrive:Int,Owner:String) {
+    self.type=type
+        self.model=model
+        self.price=price
+        self.MilesDrive=MilesDrive
+        self.Owner=Owner
+         print("Class created with parameter")
+    }
+    
+    init() {
+    
+        print("Class created without parameter")
+    }
+    
+   
+}
+
+let car1 = Car(type: "BMW", model: 2016, price: 10000.2, MilesDrive: 20, Owner: "hussein alrubaye")
+car1.Owner="hussein alrubaye"
+let pricecar1 = car1.GetPrice()
+car1.GetOwner()
+
+let car2 = Car()
+car2.type="Sony"
+car2.model=2016
+car2.price=10200.2
+car2.MilesDrive=10
+car2.Owner="Jena alrubaye"
+let pricecar2 = car1.GetPrice()
+car2.GetOwner()
+
+
+let carar = [Car]()
+
+
+
+

Swift 3/Arrays.playground/playground.xcworkspace/xcuserdata/hussienalrubaye.xcuserdatad/UserInterfaceState.xcuserstate

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>

Swift 3/ClassConstructor.playground/Contents.swift

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+//: Playground - noun: a place where people can play
+// direct//intial,access, print append remove
+import UIKit
+var s=[2,5,8,8]
+var ar = Array<Any>()
+ar.append("hussein")
+ar.append("ahmed")
+ar.append("jena")
+print(ar.count)
+ar[0]
+ar.remove(at: 0)
+for item in ar {
+    print(item)
+}
+
+var dic = [Int:String]()
+dic[1]="hi"
+for (k,v) in dic {
+    print(v)
+}
+var sets=Set<Int>()
+sets.insert(1)
+sets.insert(9)
+sets.insert(8)
+for item in sets {
+    print(item)
+}

Swift 3/ClassConstructor.playground/contents.xcplayground

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>