Question

How to add key value to dictionary in Swift

Answer 1

var dic : [String: Int] = ["Swift": 4, "Python": 7, "Java": 6, "PHP": 5]
  
dic.updateValue(88, forKey: "C++")

for (key, value) in dic {
    print(key, value)
}

  
  
/*
run:
  
Swift 4
PHP 5
C++ 88
Python 7
Java 6
  
*/

 

70+ SQL courses for beginners and professionals

Answer 2

var dic : [String: Int] = ["Swift": 4, "Python": 7, "Java": 6, "PHP": 5]
  
dic["C++"] = 77

for (key, value) in dic {
    print(key, value)
}

  
  
/*
run:
  
Python 7
C++ 77
Swift 4
PHP 5
Java 6
  
*/

 

70+ SQL courses for beginners and professionals