Question

How to print each of the key value pair in a map with Dart

Answer 1

void main() {
    var map = {'dart': 13, 'c': 96, 'c++': 10, 'python': 40, 'java': 50};
    
    map.forEach((key, value) {
        print('$key : $value');
    });
}
   

   
   
/*
run:

dart : 13
c : 96
c++ : 10
python : 40
java : 50
   
*/

 

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Answer 2

void printKeyValue(key, value) {
    print('$key : $value');
}

void main() {
    var map = {'dart': 13, 'c': 96, 'c++': 10, 'python': 40, 'java': 50};
    
    map.forEach(printKeyValue);
}
   

   
   
/*
run:

dart : 13
c : 96
c++ : 10
python : 40
java : 50
   
*/

 

70+ SQL courses for beginners and professionals