Concers

class Baba: 
    def __init__(self, isim_baba):
        self.isim_baba = isim_baba

    def babaName(self):
        print(self.isim_baba)

class Anne:
    def __init__(self, isim_anne):
        self.isim_anne = isim_anne

Concers

var priceList : Set<String> = ["dolar","turkish lira","sterlin"]
print(priceList)

// Set Add Element 
priceList.insert("euro")
print(priceList)

Concers

var values: [Int] = [0, 1, 2, 3]
print(values)
print("Values count : \(values.count)")

// print(values[9]) index out of range

// [0, 1, 2, 3]
// Values count : 4

//Empty Array

Concers

var number = 0 
let userBirthday = "17–05–1990"
userBirthday = "05–05–2022"

Concers

val Byte:Byte     = 2
val short:Short   = 3566
val int:Int       = 655_546
val long:Long     = 8449_6664_6115_9987
val long3:Long    = 8449L

val Byte2         = 2  // Int
val short2        = 3566 // Int
val int2          = 655_546   //Int
val long2         = 8449L // Long 

Concers

Byte    |   8 bit       |       -128        (-2^7)                  |   127 (2^7 - 1) 
Short   |   16 bit      |       -32768      (-2^15)                 |   32767 (2^15 - 1) 
Int     |   32 bit      |       -2,147,483,648 (-2^31)              |   2,147,483,647 (2^31 - 1)
Long    |   64 bit      |       -9,223,372,036,854,775,808 (-2^63)  |   9,223,372,036,854,775,807 (2^63 - 1)

Concers

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/background"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="300dp"