Question

How to check whether key or value exist in map with Scala

Answer 1

object MyClass {
    def main(args: Array[String]): Unit = {
        val mp = Map("scala" -> 4, "php" -> 2, "c++" -> 7, "python" -> 3, "java" -> 8);
          
        if (mp.contains("scala")) {
            println("Key exists");
        } else {
           println("Key does not exist");
        }
    }
}
    
    
    
    
/*
run:
    
Key exists
    
*/

 

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