Question

How to iterate over a HashMap in Kotlin

Answer 1

fun main(args: Array<String>) {
   // Declare HashMap
   var subject : HashMap<String, Int> = HashMap<String, Int> ();

   // Assigning value to HashMap
   subject.put("Java" , 1);
   subject.put("Kotlin" , 2);
   subject.put("Python" , 3);
   subject.put("C++" , 4);
   subject.put("C" , 5);

   // iterate through for loop
   for ((k, v) in subject) {
      println("$k, $v")
   }
}
 
 
    
/*
run:
 
Java, 1
C++, 4
C, 5
Kotlin, 2
Python, 3
  
*/

 

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