Helpfulbox Now Offers Free POS Software for restaurants, kiosk, and any other retails business completely free used windows cashier system or as full blown POS. You will able to print to kitchen, display orders on the kitchen screen, manage inventory, employee, report, customer loyalty offers, employee management, delivery address track and much more, al for free.

What is difference between ‘let’ and ‘var’ declaration ?

By: Guest
Date: Wed-Jun-15-2016-
Response
0

constants are expressed with the let keyword. So once assigned value can not be change, but assigned values using var keyword can be change.

In terms of objective -c or compare with objective -c, var is Mutable and let is NonMutable.

let kMyConstant = 40
Or
let kMyConstant: Int = 40

var myString = This is my string.

Date: Wed-Jun-15-2016
Response
What is 1 + 100



Helpfulbox Now Offers Free POS Software

for restaurants, kiosk, and any other retails business completely free. It can be used as windows cashier system or as full blown POS. You will able to print to kitchen, display orders on the kitchen screen, manage inventory, employee, report, customer loyalty offers, employee management, delivery address track and much more, all for free.

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